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MacBinary  |  1992-10-11  |  22.5 KB  |  [TEXT/KAHL]
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ConfidenceProgramDetectionMatch TypeSupport
66% dexvert Compact Compressed (Unix) (archive/compact) ext Supported
10% dexvert MacBinary (archive/macBinary) fallback Supported
1% dexvert Text File (text/txt) fallback Supported
100% file MacBinary II, Sun Oct 11 15:54:36 1992, modified Sun Oct 11 15:54:36 1992, creator Think C, type ASCII, 22168 bytes "pentominos.c" , at 0x5718 612 bytes resource default (weak)
99% file data default
74% TrID Macintosh plain text (MacBinary) default
25% TrID MacBinary 2 default (weak)
100% siegfried fmt/1762 MacBinary (II) default
100% lsar MacBinary default


id metadata
keyvalue
macFileType[TEXT]
macFileCreator[KAHL]


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|00000080| 2f 2a 20 54 68 69 73 20 | 66 69 6c 65 20 64 65 6d |/* This |file dem|
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|00000860| 41 70 70 6c 69 63 61 74 | 69 6f 6e 49 64 6c 65 20 |Applicat|ionIdle |
|00000870| 77 69 6c 6c 20 62 65 20 | 63 61 6c 6c 65 64 0d 20 |will be |called. |
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|00000970| 74 65 6d 4e 75 6d 29 3b | 0d 76 6f 69 64 20 41 70 |temNum);|.void Ap|
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|00000990| 69 64 29 3b 0d 76 6f 69 | 64 20 43 6c 65 61 6e 55 |id);.voi|d CleanU|
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|000009b0| 64 29 3b 0d 76 6f 69 64 | 20 41 62 6f 75 74 42 6f |d);.void| AboutBo|
|000009c0| 78 28 76 6f 69 64 29 3b | 0d 76 6f 69 64 20 44 6f |x(void);|.void Do|
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|000009e0| 3b 0d 0d 63 6f 6e 73 74 | 20 73 68 6f 72 74 20 73 |;..const| short s|
|000009f0| 71 75 61 72 65 53 69 7a | 65 20 3d 20 32 31 3b 20 |quareSiz|e = 21; |
|00000a00| 20 2f 2f 20 54 68 69 73 | 20 69 73 20 74 68 65 20 | // This| is the |
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|00000a20| 61 72 65 20 69 6e 20 74 | 68 65 0d 20 20 20 20 20 |are in t|he.     |
|00000a30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000a40| 20 20 20 20 20 20 20 20 | 20 2f 2f 20 38 2d 62 79 |        | // 8-by|
|00000a50| 2d 38 20 70 6c 61 79 69 | 6e 67 20 62 6f 61 72 64 |-8 playi|ng board|
|00000a60| 2e 20 20 49 74 20 63 61 | 6e 20 62 65 0d 20 20 20 |.  It ca|n be.   |
|00000a70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000a80| 20 20 20 20 20 20 20 20 | 20 20 20 2f 2f 20 61 64 |        |   // ad|
|00000a90| 6a 75 73 74 65 64 20 73 | 6c 69 67 68 74 6c 79 20 |justed s|lightly |
|00000aa0| 74 6f 20 6d 61 6b 65 20 | 6c 61 72 67 65 72 20 6f |to make |larger o|
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|00000af0| 43 74 20 3d 20 30 3b 20 | 20 2f 2f 20 54 68 69 73 |Ct = 0; | // This|
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|00000b30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000b40| 2f 2f 20 74 68 61 74 20 | 68 61 76 65 20 62 65 65 |// that |have bee|
|00000b50| 6e 20 6f 70 65 6e 65 64 | 20 73 6f 20 66 61 72 2e |n opened| so far.|
|00000b60| 20 20 49 74 20 69 73 20 | 69 6e 63 72 65 6d 65 6e |  It is |incremen|
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|00000b80| 20 20 20 20 20 20 20 20 | 20 2f 2f 20 69 6e 20 44 |        | // in D|
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|00000ba0| 69 73 20 75 73 65 64 20 | 69 6e 20 4f 70 65 6e 49 |is used |in OpenI|
|00000bb0| 6e 52 65 63 74 20 74 6f | 0d 20 20 20 20 20 20 20 |nRect to|.       |
|00000bc0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2f |        |      //|
|00000bd0| 20 70 6f 73 69 74 69 6f | 6e 20 74 68 65 20 77 69 | positio|n the wi|
|00000be0| 6e 64 6f 77 2e 0d 0d 74 | 79 70 65 64 65 66 20 73 |ndow...t|ypedef s|
|00000bf0| 68 6f 72 74 20 62 6f 61 | 72 64 44 61 74 61 5b 31 |hort boa|rdData[1|
|00000c00| 30 30 5d 3b 20 20 2f 2f | 20 54 68 65 20 38 2d 62 |00];  //| The 8-b|
|00000c10| 79 2d 38 20 62 6f 61 72 | 64 20 69 73 20 61 63 74 |y-8 boar|d is act|
|00000c20| 75 61 6c 6c 79 0d 20 20 | 20 20 20 20 20 20 20 20 |ually.  |        |
|00000c30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000c40| 20 20 20 20 20 2f 2f 20 | 72 65 70 72 65 73 65 6e |     // |represen|
|00000c50| 74 65 64 20 62 79 20 61 | 20 31 30 2d 62 79 2d 31 |ted by a| 10-by-1|
|00000c60| 30 20 64 61 74 61 20 73 | 74 72 75 63 74 75 72 65 |0 data s|tructure|
|00000c70| 0d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00000c80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000c90| 2f 2f 20 69 6e 20 77 68 | 69 63 68 20 74 68 65 20 |// in wh|ich the |
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|00000cd0| 20 20 20 20 20 20 2f 2f | 20 61 72 65 20 64 65 63 |      //| are dec|
|00000ce0| 6c 61 72 65 64 20 70 65 | 72 6d 61 6e 65 6e 74 6c |lared pe|rmanentl|
|00000cf0| 79 20 22 66 69 6c 6c 65 | 64 22 0d 20 20 20 20 20 |y "fille|d".     |
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|00000d10| 20 20 20 20 20 20 20 20 | 20 20 2f 2f 20 54 68 69 |        |  // Thi|
|00000d20| 73 20 73 69 6d 70 6c 69 | 66 69 65 73 20 74 65 73 |s simpli|fies tes|
|00000d30| 74 69 6e 67 20 77 68 65 | 74 68 65 72 20 61 20 67 |ting whe|ther a g|
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|00000d50| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000d60| 20 20 20 20 2f 2f 20 70 | 69 65 63 65 20 66 69 74 |    // p|iece fit|
|00000d70| 73 20 61 74 20 61 20 67 | 69 76 65 6e 20 70 6f 73 |s at a g|iven pos|
|00000d80| 69 74 69 6f 6e 20 6f 6e | 20 74 68 65 20 0d 20 20 |ition on| the .  |
|00000d90| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000da0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 2f 2f 20 |        |     // |
|00000db0| 62 6f 61 72 64 2e 20 20 | 46 75 72 74 68 65 72 6d |board.  |Furtherm|
|00000dc0| 6f 72 65 2c 20 74 68 69 | 73 20 31 30 2d 62 79 2d |ore, thi|s 10-by-|
|00000dd0| 31 30 20 62 6f 61 72 64 | 0d 20 20 20 20 20 20 20 |10 board|.       |
|00000de0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000df0| 20 20 20 20 20 20 20 20 | 2f 2f 20 69 73 20 72 65 |        |// is re|
|00000e00| 70 72 65 73 65 6e 74 65 | 64 20 62 79 20 61 20 31 |presente|d by a 1|
|00000e10| 2d 64 69 6d 65 6e 73 69 | 6f 6e 61 6c 20 61 72 72 |-dimensi|onal arr|
|00000e20| 61 79 0d 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |ay.     |        |
|00000e30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000e40| 20 20 2f 2f 20 69 6e 20 | 77 68 69 63 68 20 74 68 |  // in |which th|
|00000e50| 65 20 31 30 2a 69 2b 6a | 2d 74 68 20 65 6e 74 72 |e 10*i+j|-th entr|
|00000e60| 79 20 72 65 70 72 65 73 | 65 6e 74 73 0d 20 20 20 |y repres|ents.   |
|00000e70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000e80| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2f 20 72 |        |    // r|
|00000e90| 6f 77 20 6a 20 61 6e 64 | 20 63 6f 6c 75 6d 6e 20 |ow j and| column |
|00000ea0| 69 20 6f 6e 20 74 68 65 | 20 62 6f 61 72 64 2e 0d |i on the| board..|
|00000eb0| 0d 63 6f 6e 73 74 20 70 | 69 65 63 65 73 5b 36 33 |.const p|ieces[63|
|00000ec0| 5d 5b 35 5d 20 3d 20 7b | 0d 20 20 20 7b 20 31 2c |][5] = {|.   { 1,|
|00000ed0| 20 31 2c 32 2c 33 2c 34 | 20 7d 2c 20 20 20 20 20 | 1,2,3,4| },     |
|00000ee0| 20 20 20 20 2f 2f 20 54 | 68 69 73 20 61 72 72 61 |    // T|his arra|
|00000ef0| 79 20 72 65 70 72 65 73 | 65 6e 74 73 20 65 76 65 |y repres|ents eve|
|00000f00| 72 79 74 68 69 6e 67 20 | 74 68 65 20 70 72 6f 67 |rything |the prog|
|00000f10| 72 61 6d 0d 20 20 20 7b | 20 31 2c 20 31 30 2c 32 |ram.   {| 1, 10,2|
|00000f20| 30 2c 33 30 2c 34 30 20 | 7d 2c 20 20 20 20 20 2f |0,30,40 |},     /|
|00000f30| 2f 20 6b 6e 6f 77 73 20 | 61 62 6f 75 74 20 74 68 |/ knows |about th|
|00000f40| 65 20 69 6e 64 69 76 69 | 64 75 61 6c 20 70 65 6e |e indivi|dual pen|
|00000f50| 74 6f 6d 69 6e 6f 73 2e | 20 20 45 61 63 68 0d 20 |tominos.|  Each. |
|00000f60| 20 20 7b 20 32 2c 20 39 | 2c 31 30 2c 31 31 2c 32 |  { 2, 9|,10,11,2|
|00000f70| 30 20 7d 2c 20 20 20 20 | 20 20 2f 2f 20 72 6f 77 |0 },    |  // row|
|00000f80| 20 69 6e 20 74 68 65 20 | 61 72 72 61 79 20 72 65 | in the |array re|
|00000f90| 70 72 65 73 65 6e 74 73 | 20 61 20 70 61 72 74 69 |presents| a parti|
|00000fa0| 63 75 6c 61 72 0d 20 20 | 20 7b 20 33 2c 20 31 2c |cular.  | { 3, 1,|
|00000fb0| 31 30 2c 31 39 2c 32 30 | 20 7d 2c 20 20 20 20 20 |10,19,20| },     |
|00000fc0| 20 2f 2f 20 70 65 6e 74 | 6f 6d 69 6e 6f 20 69 6e | // pent|omino in|
|00000fd0| 20 61 20 70 61 72 74 69 | 63 75 6c 61 72 20 6f 72 | a parti|cular or|
|00000fe0| 69 65 6e 74 61 74 69 6f | 6e 2e 20 20 44 69 66 66 |ientatio|n.  Diff|
|00000ff0| 65 72 65 6e 74 0d 20 20 | 20 7b 20 33 2c 20 31 30 |erent.  | { 3, 10|
|00001000| 2c 31 31 2c 31 32 2c 32 | 32 20 7d 2c 20 20 20 20 |,11,12,2|2 },    |
|00001010| 20 2f 2f 20 6f 72 69 65 | 6e 74 61 74 69 6f 6e 73 | // orie|ntations|
|00001020| 20 61 72 65 20 6f 62 74 | 61 69 6e 65 64 20 62 79 | are obt|ained by|
|00001030| 20 72 6f 74 61 74 69 6e | 67 20 6f 72 20 66 6c 69 | rotatin|g or fli|
|00001040| 70 70 69 6e 67 0d 20 20 | 20 7b 20 33 2c 20 31 2c |pping.  | { 3, 1,|
|00001050| 31 31 2c 32 31 2c 32 32 | 20 7d 2c 20 20 20 20 20 |11,21,22| },     |
|00001060| 20 2f 2f 20 74 68 65 20 | 70 65 6e 74 6f 6d 69 6e | // the |pentomin|
|00001070| 6f 20 6f 76 65 72 2e 20 | 20 4e 6f 74 65 20 74 68 |o over. | Note th|
|00001080| 61 74 20 74 68 65 20 70 | 72 6f 67 72 61 6d 20 6d |at the p|rogram m|
|00001090| 75 73 74 0d 20 20 20 7b | 20 33 2c 20 38 2c 39 2c |ust.   {| 3, 8,9,|
|000010a0| 31 30 2c 31 38 20 7d 2c | 20 20 20 20 20 20 20 2f |10,18 },|       /|
|000010b0| 2f 20 74 72 79 20 65 61 | 63 68 20 70 65 6e 74 6f |/ try ea|ch pento|
|000010c0| 6d 69 6e 6f 20 69 6e 20 | 65 61 63 68 20 70 6f 73 |mino in |each pos|
|000010d0| 73 69 62 6c 65 20 6f 72 | 69 65 6e 74 61 74 69 6f |sible or|ientatio|
|000010e0| 6e 2c 0d 20 20 20 7b 20 | 34 2c 20 31 30 2c 32 30 |n,.   { |4, 10,20|
|000010f0| 2c 32 31 2c 32 32 20 7d | 2c 20 20 20 20 20 2f 2f |,21,22 }|,     //|
|00001100| 20 62 75 74 20 6d 75 73 | 74 20 62 65 20 63 61 72 | but mus|t be car|
|00001110| 65 66 75 6c 20 6e 6f 74 | 20 74 6f 20 72 65 75 73 |eful not| to reus|
|00001120| 65 20 61 20 70 69 65 63 | 65 20 69 66 0d 20 20 20 |e a piec|e if.   |
|00001130| 7b 20 34 2c 20 31 2c 32 | 2c 31 30 2c 32 30 20 7d |{ 4, 1,2|,10,20 }|
|00001140| 2c 20 20 20 20 20 20 20 | 2f 2f 20 69 74 20 68 61 |,       |// it ha|
|00001150| 73 20 61 6c 72 65 61 64 | 79 20 62 65 65 6e 20 75 |s alread|y been u|
|00001160| 73 65 64 20 6f 6e 20 74 | 68 65 20 62 6f 61 72 64 |sed on t|he board|
|00001170| 20 69 6e 20 61 0d 20 20 | 20 7b 20 34 2c 20 31 30 | in a.  | { 4, 10|
|00001180| 2c 31 38 2c 31 39 2c 32 | 30 20 7d 2c 20 20 20 20 |,18,19,2|0 },    |
|00001190| 20 2f 2f 20 64 69 66 66 | 65 72 65 6e 74 20 6f 72 | // diff|erent or|
|000011a0| 69 65 6e 74 61 74 69 6f | 6e 2e 0d 20 20 20 7b 20 |ientatio|n..   { |
|000011b0| 34 2c 20 31 2c 32 2c 31 | 32 2c 32 32 20 7d 2c 20 |4, 1,2,1|2,22 }, |
|000011c0| 20 20 20 20 20 20 2f 2f | 20 20 20 20 20 54 68 65 |      //|     The|
|000011d0| 20 70 65 6e 74 6f 6d 69 | 6e 6f 65 73 20 61 72 65 | pentomi|noes are|
|000011e0| 20 6e 75 6d 62 65 72 65 | 64 20 66 72 6f 6d 20 31 | numbere|d from 1|
|000011f0| 20 74 6f 20 31 32 2e 0d | 20 20 20 7b 20 35 2c 20 | to 12..|   { 5, |
|00001200| 31 2c 32 2c 31 31 2c 32 | 31 20 7d 2c 20 20 20 20 |1,2,11,2|1 },    |
|00001210| 20 20 20 2f 2f 20 54 68 | 65 20 66 69 72 73 74 20 |   // Th|e first |
|00001220| 6e 75 6d 62 65 72 20 6f | 6e 20 65 61 63 68 20 72 |number o|n each r|
|00001230| 6f 77 20 74 65 6c 6c 73 | 20 77 68 69 63 68 20 70 |ow tells| which p|
|00001240| 65 6e 74 6f 6d 69 6e 6f | 0d 20 20 20 7b 20 35 2c |entomino|.   { 5,|
|00001250| 20 38 2c 39 2c 31 30 2c | 32 30 20 7d 2c 20 20 20 | 8,9,10,|20 },   |
|00001260| 20 20 20 20 2f 2f 20 74 | 68 61 74 20 72 6f 77 20 |    // t|hat row |
|00001270| 72 65 70 72 65 73 65 6e | 74 73 2e 20 20 4e 6f 74 |represen|ts.  Not|
|00001280| 65 20 74 68 61 74 20 74 | 68 65 72 65 20 63 61 6e |e that t|here can|
|00001290| 20 62 65 0d 20 20 20 7b | 20 35 2c 20 31 30 2c 31 | be.   {| 5, 10,1|
|000012a0| 39 2c 32 30 2c 32 31 20 | 7d 2c 20 20 20 20 20 2f |9,20,21 |},     /|
|000012b0| 2f 20 75 70 20 74 6f 20 | 38 20 64 69 66 66 65 72 |/ up to |8 differ|
|000012c0| 65 6e 74 20 72 6f 77 73 | 20 66 6f 72 20 65 61 63 |ent rows| for eac|
|000012d0| 68 20 70 65 6e 74 6f 6d | 69 6e 6f 2e 0d 20 20 20 |h pentom|ino..   |
|000012e0| 7b 20 35 2c 20 31 30 2c | 31 31 2c 31 32 2c 32 30 |{ 5, 10,|11,12,20|
|000012f0| 20 7d 2c 20 20 20 20 20 | 2f 2f 20 73 6f 6d 65 20 | },     |// some |
|00001300| 70 65 6e 74 6f 6d 69 6e | 6f 73 20 68 61 76 65 20 |pentomin|os have |
|00001310| 66 65 77 65 72 20 72 6f | 77 73 20 62 65 63 61 75 |fewer ro|ws becau|
|00001320| 73 65 20 74 68 65 79 20 | 61 72 65 0d 20 20 20 7b |se they |are.   {|
|00001330| 20 36 2c 20 31 30 2c 31 | 31 2c 32 31 2c 32 32 20 | 6, 10,1|1,21,22 |
|00001340| 7d 2c 20 20 20 20 20 2f | 2f 20 73 79 6d 6d 65 74 |},     /|/ symmet|
|00001350| 72 69 63 2e 20 20 46 6f | 72 20 65 78 61 6d 70 6c |ric.  Fo|r exampl|
|00001360| 65 2c 20 74 68 65 20 70 | 65 6e 74 6f 6d 69 6e 6f |e, the p|entomino|
|00001370| 20 74 68 61 74 20 6c 6f | 6f 6b 73 0d 20 20 20 7b | that lo|oks.   {|
|00001380| 20 36 2c 20 39 2c 31 30 | 2c 31 38 2c 31 39 20 7d | 6, 9,10|,18,19 }|
|00001390| 2c 20 20 20 20 20 20 2f | 2f 20 6c 69 6b 65 3a 0d |,      /|/ like:.|
|000013a0| 20 20 20 7b 20 36 2c 20 | 31 2c 31 31 2c 31 32 2c |   { 6, |1,11,12,|
|000013b0| 32 32 20 7d 2c 20 20 20 | 20 20 20 2f 2f 20 20 20 |22 },   |   //   |
|000013c0| 20 20 20 20 20 20 20 20 | 47 47 47 0d 20 20 20 7b |        |GGG.   {|
|000013d0| 20 36 2c 20 31 2c 39 2c | 31 30 2c 31 39 20 7d 2c | 6, 1,9,|10,19 },|
|000013e0| 20 20 20 20 20 20 20 2f | 2f 20 20 20 20 20 20 20 |       /|/       |
|000013f0| 20 20 20 20 47 20 47 0d | 20 20 20 7b 20 37 2c 20 |    G G.|   { 7, |
|00001400| 31 2c 32 2c 31 30 2c 31 | 32 20 7d 2c 20 20 20 20 |1,2,10,1|2 },    |
|00001410| 20 20 20 2f 2f 0d 20 20 | 20 7b 20 37 2c 20 31 2c |   //.  | { 7, 1,|
|00001420| 31 31 2c 32 30 2c 32 31 | 20 7d 2c 20 20 20 20 20 |11,20,21| },     |
|00001430| 20 2f 2f 20 63 61 6e 20 | 62 65 20 72 6f 74 61 74 | // can |be rotat|
|00001440| 65 64 20 69 6e 74 6f 20 | 74 68 72 65 65 20 61 64 |ed into |three ad|
|00001450| 64 69 74 69 6f 6e 61 6c | 20 70 6f 73 69 74 69 6f |ditional| positio|
|00001460| 6e 73 2c 0d 20 20 20 7b | 20 37 2c 20 32 2c 31 30 |ns,.   {| 7, 2,10|
|00001470| 2c 31 31 2c 31 32 20 7d | 2c 20 20 20 20 20 20 2f |,11,12 }|,      /|
|00001480| 2f 20 62 75 74 20 66 6c | 69 70 70 69 6e 67 20 69 |/ but fl|ipping i|
|00001490| 74 20 6f 76 65 72 20 77 | 69 6c 6c 20 67 69 76 65 |t over w|ill give|
|000014a0| 20 6e 6f 74 68 69 6e 67 | 20 6e 65 77 2e 0d 20 20 | nothing| new..  |
|000014b0| 20 7b 20 37 2c 20 31 2c | 31 30 2c 32 30 2c 32 31 | { 7, 1,|10,20,21|
|000014c0| 20 7d 2c 20 20 20 20 20 | 20 2f 2f 20 53 6f 2c 20 | },     | // So, |
|000014d0| 69 74 20 68 61 73 20 6f | 6e 6c 79 20 34 20 65 6e |it has o|nly 4 en|
|000014e0| 74 72 69 65 73 20 69 6e | 20 74 68 65 20 61 72 72 |tries in| the arr|
|000014f0| 61 79 2e 0d 20 20 20 7b | 20 38 2c 20 31 30 2c 31 |ay..   {| 8, 10,1|
|00001500| 31 2c 31 32 2c 31 33 20 | 7d 2c 20 20 20 20 20 2f |1,12,13 |},     /|
|00001510| 2f 20 20 20 20 20 54 68 | 65 20 66 6f 75 72 20 72 |/     Th|e four r|
|00001520| 65 6d 61 69 6e 69 6e 67 | 20 65 6e 74 72 69 65 73 |emaining| entries|
|00001530| 20 69 6e 20 74 68 65 20 | 61 72 72 61 79 0d 20 20 | in the |array.  |
|00001540| 20 7b 20 38 2c 20 31 30 | 2c 32 30 2c 32 39 2c 33 | { 8, 10|,20,29,3|
|00001550| 30 20 7d 2c 20 20 20 20 | 20 2f 2f 20 64 65 73 63 |0 },    | // desc|
|00001560| 72 69 62 65 20 74 68 65 | 20 67 69 76 65 6e 20 70 |ribe the| given p|
|00001570| 69 65 63 65 20 69 6e 20 | 74 68 65 20 67 69 76 65 |iece in |the give|
|00001580| 6e 20 6f 72 69 65 6e 74 | 61 74 69 6f 6e 2c 0d 20 |n orient|ation,. |
|00001590| 20 20 7b 20 38 2c 20 31 | 2c 32 2c 33 2c 31 33 20 |  { 8, 1|,2,3,13 |
|000015a0| 7d 2c 20 20 20 20 20 20 | 20 20 2f 2f 20 69 6e 20 |},      |  // in |
|000015b0| 61 20 77 61 79 20 63 6f | 6e 76 65 6e 69 65 6e 74 |a way co|nvenient|
|000015c0| 20 66 6f 72 20 70 6c 61 | 63 69 6e 67 20 74 68 65 | for pla|cing the|
|000015d0| 20 70 69 65 63 65 20 69 | 6e 74 6f 0d 20 20 20 7b | piece i|nto.   {|
|000015e0| 20 38 2c 20 31 2c 31 30 | 2c 32 30 2c 33 30 20 7d | 8, 1,10|,20,30 }|
|000015f0| 2c 20 20 20 20 20 20 2f | 2f 20 74 68 65 20 6f 6e |,      /|/ the on|
|00001600| 65 2d 64 69 6d 65 6e 73 | 69 6f 6e 61 6c 20 61 72 |e-dimens|ional ar|
|00001610| 72 61 79 20 74 68 61 74 | 20 72 65 70 72 65 73 65 |ray that| represe|
|00001620| 6e 74 73 20 74 68 65 0d | 20 20 20 7b 20 38 2c 20 |nts the.|   { 8, |
|00001630| 31 2c 31 31 2c 32 31 2c | 33 31 20 7d 2c 20 20 20 |1,11,21,|31 },   |
|00001640| 20 20 20 2f 2f 20 62 6f | 61 72 64 2e 20 20 41 73 |   // bo|ard.  As|
|00001650| 20 61 6e 20 65 78 61 6d | 70 6c 65 2c 20 63 6f 6e | an exam|ple, con|
|00001660| 73 69 64 65 72 20 74 68 | 65 20 72 6f 77 0d 20 20 |sider th|e row.  |
|00001670| 20 7b 20 38 2c 20 31 2c | 32 2c 33 2c 31 30 20 7d | { 8, 1,|2,3,10 }|
|00001680| 2c 20 20 20 20 20 20 20 | 20 2f 2f 0d 20 20 20 7b |,       | //.   {|
|00001690| 20 38 2c 20 31 30 2c 32 | 30 2c 33 30 2c 33 31 20 | 8, 10,2|0,30,31 |
|000016a0| 7d 2c 20 20 20 20 20 2f | 2f 20 20 20 20 20 20 20 |},     /|/       |
|000016b0| 20 20 20 20 7b 20 37 2c | 20 31 2c 32 2c 31 30 2c |    { 7,| 1,2,10,|
|000016c0| 31 39 20 7d 0d 20 20 20 | 7b 20 38 2c 20 37 2c 38 |19 }.   |{ 8, 7,8|
|000016d0| 2c 39 2c 31 30 20 7d 2c | 20 20 20 20 20 20 20 20 |,9,10 },|        |
|000016e0| 2f 2f 0d 20 20 20 7b 20 | 39 2c 20 31 2c 38 2c 39 |//.   { |9, 1,8,9|
|000016f0| 2c 31 30 20 7d 2c 20 20 | 20 20 20 20 20 20 2f 2f |,10 },  |      //|
|00001700| 20 49 66 20 74 68 69 73 | 20 70 69 65 63 65 20 69 | If this| piece i|
|00001710| 73 20 70 6c 61 63 65 64 | 20 6f 6e 20 74 68 65 20 |s placed| on the |
|00001720| 62 6f 61 72 64 20 73 6f | 20 74 68 61 74 0d 20 20 |board so| that.  |
|00001730| 20 7b 20 39 2c 20 31 30 | 2c 31 31 2c 32 31 2c 33 | { 9, 10|,11,21,3|
|00001740| 31 20 7d 2c 20 20 20 20 | 20 2f 2f 20 69 74 73 20 |1 },    | // its |
|00001750| 74 6f 70 6d 6f 73 74 2f | 6c 65 66 74 6d 6f 73 74 |topmost/|leftmost|
|00001760| 20 73 71 75 61 72 65 20 | 66 69 6c 6c 73 20 70 6f | square |fills po|
|00001770| 73 69 74 69 6f 6e 0d 20 | 20 20 7b 20 39 2c 20 31 |sition. |  { 9, 1|
|00001780| 2c 32 2c 39 2c 31 30 20 | 7d 2c 20 20 20 20 20 20 |,2,9,10 |},      |
|00001790| 20 20 2f 2f 20 70 20 69 | 6e 20 74 68 65 20 61 72 |  // p i|n the ar|
|000017a0| 72 61 79 2c 20 74 68 65 | 6e 20 74 68 65 20 6f 74 |ray, the|n the ot|
|000017b0| 68 65 72 20 66 6f 75 72 | 20 73 71 75 61 72 65 73 |her four| squares|
|000017c0| 0d 20 20 20 7b 20 39 2c | 20 31 30 2c 32 30 2c 32 |.   { 9,| 10,20,2|
|000017d0| 31 2c 33 31 20 7d 2c 20 | 20 20 20 20 2f 2f 20 77 |1,31 }, |    // w|
|000017e0| 69 6c 6c 20 62 65 20 61 | 74 20 70 6f 73 69 74 69 |ill be a|t positi|
|000017f0| 6f 6e 73 20 20 70 2b 31 | 2c 20 70 2b 32 2c 20 70 |ons  p+1|, p+2, p|
|00001800| 2b 31 30 2c 20 61 6e 64 | 20 70 2b 31 39 2e 0d 20 |+10, and| p+19.. |
|00001810| 20 20 7b 20 39 2c 20 31 | 2c 31 31 2c 31 32 2c 31 |  { 9, 1|,11,12,1|
|00001820| 33 20 7d 2c 20 20 20 20 | 20 20 2f 2f 20 54 6f 20 |3 },    |  // To |
|00001830| 73 65 65 20 77 68 65 74 | 68 65 72 20 74 68 65 20 |see whet|her the |
|00001840| 70 69 65 63 65 20 63 61 | 6e 20 62 65 20 70 6c 61 |piece ca|n be pla|
|00001850| 79 65 64 20 61 74 20 74 | 68 61 74 0d 20 20 20 7b |yed at t|hat.   {|
|00001860| 20 39 2c 20 31 30 2c 31 | 39 2c 32 30 2c 32 39 20 | 9, 10,1|9,20,29 |
|00001870| 7d 2c 20 20 20 20 20 2f | 2f 20 70 6f 73 69 74 69 |},     /|/ positi|
|00001880| 6f 6e 2c 20 69 74 20 73 | 75 66 66 69 63 65 73 20 |on, it s|uffices |
|00001890| 74 6f 20 63 68 65 63 6b | 20 77 68 65 74 68 65 72 |to check| whether|
|000018a0| 20 61 6e 79 20 6f 66 0d | 20 20 20 7b 20 39 2c 20 | any of.|   { 9, |
|000018b0| 31 2c 32 2c 31 32 2c 31 | 33 20 7d 2c 20 20 20 20 |1,2,12,1|3 },    |
|000018c0| 20 20 20 2f 2f 20 74 68 | 65 73 65 20 66 69 76 65 |   // th|ese five|
|000018d0| 20 73 71 75 61 72 65 73 | 20 61 72 65 20 66 69 6c | squares| are fil|
|000018e0| 6c 65 64 2e 20 20 49 66 | 20 74 68 65 20 70 69 65 |led.  If| the pie|
|000018f0| 63 65 20 69 73 0d 20 20 | 20 7b 20 39 2c 20 39 2c |ce is.  | { 9, 9,|
|00001900| 31 30 2c 31 39 2c 32 39 | 20 7d 2c 20 20 20 20 20 |10,19,29| },     |
|00001910| 20 2f 2f 20 70 6c 61 79 | 65 64 2c 20 74 68 6f 73 | // play|ed, thos|
|00001920| 65 20 66 69 76 65 20 70 | 6c 61 63 65 73 20 69 6e |e five p|laces in|
|00001930| 20 74 68 65 20 61 72 72 | 61 79 20 61 72 65 20 66 | the arr|ay are f|
|00001940| 69 6c 6c 65 64 0d 20 20 | 20 7b 20 31 30 2c 20 38 |illed.  | { 10, 8|
|00001950| 2c 39 2c 31 30 2c 31 31 | 20 7d 2c 20 20 20 20 20 |,9,10,11| },     |
|00001960| 20 2f 2f 20 77 69 74 68 | 20 61 20 6c 65 74 74 65 | // with| a lette|
|00001970| 72 20 72 65 70 72 65 73 | 65 6e 74 69 6e 67 20 74 |r repres|enting t|
|00001980| 68 65 20 70 65 6e 74 6f | 6d 69 6e 6f 20 28 27 41 |he pento|mino ('A|
|00001990| 27 20 66 6f 72 0d 20 20 | 20 7b 20 31 30 2c 20 39 |' for.  | { 10, 9|
|000019a0| 2c 31 30 2c 32 30 2c 33 | 30 20 7d 2c 20 20 20 20 |,10,20,3|0 },    |
|000019b0| 20 2f 2f 20 70 65 6e 74 | 6f 6d 69 6e 6f 20 31 2c | // pent|omino 1,|
|000019c0| 20 27 42 27 20 66 6f 72 | 20 70 65 6e 74 6f 6d 69 | 'B' for| pentomi|
|000019d0| 6e 6f 20 32 2c 20 65 74 | 63 2e 29 0d 20 20 20 7b |no 2, et|c.).   {|
|000019e0| 20 31 30 2c 20 31 2c 32 | 2c 33 2c 31 31 20 7d 2c | 10, 1,2|,3,11 },|
|000019f0| 0d 20 20 20 7b 20 31 30 | 2c 20 31 30 2c 32 30 2c |.   { 10|, 10,20,|
|00001a00| 32 31 2c 33 30 20 7d 2c | 0d 20 20 20 7b 20 31 30 |21,30 },|.   { 10|
|00001a10| 2c 20 31 2c 32 2c 33 2c | 31 32 20 7d 2c 0d 20 20 |, 1,2,3,|12 },.  |
|00001a20| 20 7b 20 31 30 2c 20 31 | 30 2c 31 31 2c 32 30 2c | { 10, 1|0,11,20,|
|00001a30| 33 30 20 7d 2c 0d 20 20 | 20 7b 20 31 30 2c 20 39 |30 },.  | { 10, 9|
|00001a40| 2c 31 30 2c 31 31 2c 31 | 32 20 7d 2c 0d 20 20 20 |,10,11,1|2 },.   |
|00001a50| 7b 20 31 30 2c 20 31 30 | 2c 31 39 2c 32 30 2c 33 |{ 10, 10|,19,20,3|
|00001a60| 30 20 7d 2c 0d 20 20 20 | 7b 20 31 31 2c 20 39 2c |0 },.   |{ 11, 9,|
|00001a70| 31 30 2c 31 31 2c 32 31 | 20 7d 2c 0d 20 20 20 7b |10,11,21| },.   {|
|00001a80| 20 31 31 2c 20 31 2c 39 | 2c 31 30 2c 32 30 20 7d | 11, 1,9|,10,20 }|
|00001a90| 2c 0d 20 20 20 7b 20 31 | 31 2c 20 31 30 2c 31 31 |,.   { 1|1, 10,11|
|00001aa0| 2c 31 32 2c 32 31 20 7d | 2c 0d 20 20 20 7b 20 31 |,12,21 }|,.   { 1|
|00001ab0| 31 2c 20 31 30 2c 31 31 | 2c 31 39 2c 32 30 20 7d |1, 10,11|,19,20 }|
|00001ac0| 2c 0d 20 20 20 7b 20 31 | 31 2c 20 38 2c 39 2c 31 |,.   { 1|1, 8,9,1|
|00001ad0| 30 2c 31 39 7d 2c 0d 20 | 20 20 7b 20 31 31 2c 20 |0,19},. |  { 11, |
|00001ae0| 31 2c 31 31 2c 31 32 2c | 32 31 20 7d 2c 0d 20 20 |1,11,12,|21 },.  |
|00001af0| 20 7b 20 31 31 2c 20 39 | 2c 31 30 2c 31 31 2c 31 | { 11, 9|,10,11,1|
|00001b00| 39 20 7d 2c 0d 20 20 20 | 7b 20 31 31 2c 20 39 2c |9 },.   |{ 11, 9,|
|00001b10| 31 30 2c 32 30 2c 32 31 | 20 7d 2c 0d 20 20 20 7b |10,20,21| },.   {|
|00001b20| 20 31 32 2c 20 31 2c 31 | 30 2c 31 31 2c 32 31 20 | 12, 1,1|0,11,21 |
|00001b30| 7d 2c 0d 20 20 20 7b 20 | 31 32 2c 20 31 2c 32 2c |},.   { |12, 1,2,|
|00001b40| 31 30 2c 31 31 20 7d 2c | 0d 20 20 20 7b 20 31 32 |10,11 },|.   { 12|
|00001b50| 2c 20 31 30 2c 31 31 2c | 32 30 2c 32 31 20 7d 2c |, 10,11,|20,21 },|
|00001b60| 0d 20 20 20 7b 20 31 32 | 2c 20 31 2c 39 2c 31 30 |.   { 12|, 1,9,10|
|00001b70| 2c 31 31 20 7d 2c 0d 20 | 20 20 7b 20 31 32 2c 20 |,11 },. |  { 12, |
|00001b80| 31 2c 31 30 2c 31 31 2c | 31 32 20 7d 2c 0d 20 20 |1,10,11,|12 },.  |
|00001b90| 20 7b 20 31 32 2c 20 39 | 2c 31 30 2c 31 39 2c 32 | { 12, 9|,10,19,2|
|00001ba0| 30 20 7d 2c 0d 20 20 20 | 7b 20 31 32 2c 20 31 2c |0 },.   |{ 12, 1,|
|00001bb0| 32 2c 31 31 2c 31 32 20 | 7d 2c 0d 20 20 20 7b 20 |2,11,12 |},.   { |
|00001bc0| 31 32 2c 20 31 2c 31 30 | 2c 31 31 2c 32 30 20 7d |12, 1,10|,11,20 }|
|00001bd0| 2c 20 0d 20 7d 3b 0d 0d | 74 79 70 65 64 65 66 20 |, . };..|typedef |
|00001be0| 65 6e 75 6d 20 7b 20 20 | 20 2f 2f 20 54 68 69 73 |enum {  | // This|
|00001bf0| 20 74 79 70 65 20 69 73 | 20 61 20 63 6f 6e 76 65 | type is| a conve|
|00001c00| 6e 69 65 6e 63 74 20 66 | 6f 72 20 6b 65 65 70 69 |nienct f|or keepi|
|00001c10| 6e 67 20 74 72 61 63 6b | 20 61 20 62 6f 61 72 64 |ng track| a board|
|00001c20| 27 73 20 73 74 61 74 75 | 73 2e 0d 20 20 20 73 65 |'s statu|s..   se|
|00001c30| 74 74 69 6e 67 55 70 2c | 20 20 2f 2f 20 3d 20 54 |ttingUp,|  // = T|
|00001c40| 68 65 20 75 73 65 72 20 | 68 61 73 20 6e 6f 74 20 |he user |has not |
|00001c50| 79 65 74 20 63 68 6f 73 | 65 6e 20 74 68 65 20 66 |yet chos|en the f|
|00001c60| 6f 75 72 20 65 6d 70 74 | 79 20 73 70 61 63 65 73 |our empt|y spaces|
|00001c70| 2e 0d 20 20 20 72 75 6e | 6e 69 6e 67 2c 20 20 20 |..   run|ning,   |
|00001c80| 20 2f 2f 20 3d 20 54 68 | 65 20 70 72 6f 67 72 61 | // = Th|e progra|
|00001c90| 6d 20 69 73 20 6c 6f 6f | 6b 69 6e 67 20 66 6f 72 |m is loo|king for|
|00001ca0| 20 61 20 73 6f 6c 75 74 | 69 6f 6e 2e 0d 20 20 20 | a solut|ion..   |
|00001cb0| 66 69 6e 69 73 68 65 64 | 2c 20 20 20 2f 2f 20 3d |finished|,   // =|
|00001cc0| 20 41 20 73 6f 6c 75 74 | 69 6f 6e 20 68 61 73 20 | A solut|ion has |
|00001cd0| 62 65 65 6e 20 66 6f 75 | 6e 64 20 61 6e 64 20 69 |been fou|nd and i|
|00001ce0| 73 20 62 65 69 6e 67 20 | 64 69 73 70 6c 61 79 65 |s being |displaye|
|00001cf0| 64 0d 20 20 20 6e 6f 53 | 6f 6c 75 74 69 6f 6e 20 |d.   noS|olution |
|00001d00| 20 2f 2f 20 3d 20 41 66 | 74 65 72 20 74 72 79 69 | // = Af|ter tryi|
|00001d10| 6e 67 20 61 6c 6c 20 70 | 6f 73 73 69 62 69 6c 69 |ng all p|ossibili|
|00001d20| 74 69 65 73 2c 20 6e 6f | 20 73 6f 6c 75 74 69 6f |ties, no| solutio|
|00001d30| 6e 20 68 61 73 20 62 65 | 65 6e 20 66 6f 75 6e 64 |n has be|en found|
|00001d40| 0d 7d 20 77 69 6e 53 74 | 61 74 65 3b 0d 0d 0d 2f |.} winSt|ate;.../|
|00001d50| 2f 20 44 65 63 6c 61 72 | 65 20 74 77 6f 20 66 75 |/ Declar|e two fu|
|00001d60| 6e 63 74 69 6f 6e 73 20 | 66 6f 72 20 70 6c 61 63 |nctions |for plac|
|00001d70| 69 6e 67 20 70 69 65 63 | 65 73 20 61 6e 64 20 72 |ing piec|es and r|
|00001d80| 65 6d 6f 76 69 6e 67 20 | 70 69 65 63 65 73 20 66 |emoving |pieces f|
|00001d90| 72 6f 6d 20 74 68 65 0d | 2f 2f 20 62 6f 61 72 64 |rom the.|// board|
|00001da0| 2e 20 20 4e 6f 74 65 20 | 74 68 61 74 20 74 68 65 |.  Note |that the|
|00001db0| 73 65 20 66 75 6e 63 74 | 69 6f 6e 73 20 61 72 65 |se funct|ions are|
|00001dc0| 20 72 65 73 70 6f 6e 73 | 69 62 6c 65 20 66 6f 72 | respons|ible for|
|00001dd0| 20 6d 61 69 6e 74 61 69 | 6e 69 6e 67 20 62 6f 74 | maintai|ning bot|
|00001de0| 68 0d 2f 2f 20 74 68 65 | 20 73 63 72 65 65 6e 20 |h.// the| screen |
|00001df0| 61 6e 64 20 74 68 65 20 | 62 6f 61 72 64 20 64 61 |and the |board da|
|00001e00| 74 61 20 73 74 72 75 63 | 74 75 72 65 2e 20 20 28 |ta struc|ture.  (|
|00001e10| 49 74 20 69 73 20 6e 6f | 74 20 61 20 67 6f 6f 64 |It is no|t a good|
|00001e20| 20 69 64 65 61 20 74 6f | 0d 2f 2f 20 73 65 70 61 | idea to|.// sepa|
|00001e30| 72 61 74 65 20 73 75 63 | 68 20 66 75 6e 63 74 69 |rate suc|h functi|
|00001e40| 6f 6e 73 2e 29 20 20 54 | 68 65 73 65 20 61 72 65 |ons.)  T|hese are|
|00001e50| 20 62 6f 74 68 20 63 61 | 6c 6c 65 64 20 62 79 20 | both ca|lled by |
|00001e60| 74 68 65 20 68 69 67 68 | 65 72 20 6c 65 76 65 6c |the high|er level|
|00001e70| 0d 2f 2f 20 66 75 6e 63 | 74 69 6f 6e 20 6d 79 57 |.// func|tion myW|
|00001e80| 69 6e 64 6f 77 3a 3a 70 | 6c 61 79 50 69 65 63 65 |indow::p|layPiece|
|00001e90| 2e 0d 0d 73 68 6f 72 74 | 20 70 75 74 50 69 65 63 |...short| putPiec|
|00001ea0| 65 28 73 68 6f 72 74 20 | 70 69 65 63 65 2c 20 73 |e(short |piece, s|
|00001eb0| 68 6f 72 74 20 77 68 65 | 72 65 2c 20 62 6f 61 72 |hort whe|re, boar|
|00001ec0| 64 44 61 74 61 20 62 6f | 61 72 64 29 3b 20 20 20 |dData bo|ard);   |
|00001ed0| 0d 73 68 6f 72 74 20 65 | 72 61 73 65 50 69 65 63 |.short e|rasePiec|
|00001ee0| 65 28 73 68 6f 72 74 20 | 70 69 65 63 65 2c 20 73 |e(short |piece, s|
|00001ef0| 68 6f 72 74 20 77 68 65 | 72 65 2c 20 62 6f 61 72 |hort whe|re, boar|
|00001f00| 64 44 61 74 61 20 62 6f | 61 72 64 29 3b 20 0d 0d |dData bo|ard); ..|
|00001f10| 2f 2f 20 46 75 6e 63 74 | 69 6f 6e 20 70 75 74 50 |// Funct|ion putP|
|00001f20| 69 65 63 65 20 74 72 69 | 65 73 20 74 6f 20 70 6c |iece tri|es to pl|
|00001f30| 61 63 65 20 61 20 73 70 | 65 63 69 66 65 64 20 70 |ace a sp|ecifed p|
|00001f40| 69 65 63 65 20 69 6e 20 | 61 20 73 70 65 63 69 66 |iece in |a specif|
|00001f50| 69 65 64 20 70 6f 73 69 | 74 69 6f 6e 0d 2f 2f 20 |ied posi|tion.// |
|00001f60| 6f 6e 20 74 68 65 20 62 | 6f 61 72 64 20 62 6f 61 |on the b|oard boa|
|00001f70| 72 64 44 61 74 61 2e 20 | 20 49 66 20 61 6c 6c 20 |rdData. | If all |
|00001f80| 74 68 65 20 6c 6f 63 61 | 74 69 6f 6e 73 20 6e 65 |the loca|tions ne|
|00001f90| 65 64 65 64 20 62 79 20 | 74 68 65 20 70 69 65 63 |eded by |the piec|
|00001fa0| 65 20 61 72 65 0d 2f 2f | 20 65 6d 70 74 79 2c 20 |e are.//| empty, |
|00001fb0| 74 68 65 6e 20 74 68 69 | 73 20 66 75 6e 63 74 69 |then thi|s functi|
|00001fc0| 6f 6e 20 66 69 6c 6c 73 | 20 69 6e 20 74 68 6f 73 |on fills| in thos|
|00001fd0| 65 20 73 70 61 63 65 73 | 20 69 6e 20 74 68 65 20 |e spaces| in the |
|00001fe0| 61 72 72 61 79 20 77 69 | 74 68 20 74 68 65 0d 2f |array wi|th the./|
|00001ff0| 2f 20 6e 75 6d 62 65 72 | 20 6f 66 20 74 68 65 20 |/ number| of the |
|00002000| 70 65 6e 74 6f 6d 69 6e | 6f 20 61 6e 64 20 61 6c |pentomin|o and al|
|00002010| 73 6f 20 64 72 61 77 73 | 20 74 68 65 20 70 69 65 |so draws| the pie|
|00002020| 63 65 20 6f 6e 20 74 68 | 65 20 62 6f 61 72 64 2e |ce on th|e board.|
|00002030| 0d 2f 2f 20 49 6e 20 74 | 68 69 73 20 63 61 73 65 |.// In t|his case|
|00002040| 2c 20 61 20 76 61 6c 75 | 65 20 6f 66 20 31 20 69 |, a valu|e of 1 i|
|00002050| 73 20 72 65 74 75 72 6e | 65 64 2e 20 20 49 66 20 |s return|ed.  If |
|00002060| 74 68 65 20 70 69 65 63 | 65 20 63 61 6e 6e 6f 74 |the piec|e cannot|
|00002070| 20 62 65 20 70 6c 61 79 | 65 64 2c 0d 2f 2f 20 61 | be play|ed,.// a|
|00002080| 20 76 61 6c 75 65 20 6f | 66 20 30 20 69 73 20 72 | value o|f 0 is r|
|00002090| 65 74 75 72 6e 65 64 2e | 20 20 54 68 69 73 20 66 |eturned.|  This f|
|000020a0| 75 6e 63 74 69 6f 6e 20 | 61 73 73 75 6d 65 73 20 |unction |assumes |
|000020b0| 74 68 61 74 20 74 68 65 | 20 64 72 61 77 69 6e 67 |that the| drawing|
|000020c0| 20 70 6f 72 74 20 69 73 | 0d 2f 2f 20 73 65 74 20 | port is|.// set |
|000020d0| 74 6f 20 74 68 65 20 63 | 6f 72 72 65 63 74 20 77 |to the c|orrect w|
|000020e0| 69 6e 64 6f 77 2e 20 20 | 4e 6f 74 65 20 74 68 61 |indow.  |Note tha|
|000020f0| 74 20 74 68 65 20 70 61 | 72 61 6d 65 74 65 72 20 |t the pa|rameter |
|00002100| 70 69 65 63 65 4e 75 6d | 20 69 73 20 61 6e 20 69 |pieceNum| is an i|
|00002110| 6e 64 65 78 0d 2f 2f 20 | 74 6f 20 74 68 65 20 64 |ndex.// |to the d|
|00002120| 61 74 61 20 66 6f 72 20 | 74 68 65 20 70 69 65 63 |ata for |the piec|
|00002130| 65 20 69 6e 20 74 68 65 | 20 67 6c 6f 62 61 6c 20 |e in the| global |
|00002140| 61 72 72 61 79 20 22 70 | 69 65 63 65 73 22 3b 20 |array "p|ieces"; |
|00002150| 74 68 65 20 61 63 74 75 | 61 6c 20 6e 75 6d 62 65 |the actu|al numbe|
|00002160| 72 20 6f 66 0d 2f 2f 20 | 74 68 65 20 70 65 6e 74 |r of.// |the pent|
|00002170| 6f 6d 69 6e 6f 20 62 65 | 69 6e 67 20 70 6c 61 79 |omino be|ing play|
|00002180| 65 64 20 69 73 20 74 68 | 75 73 20 70 69 65 63 65 |ed is th|us piece|
|00002190| 73 5b 70 69 65 63 65 4e | 75 6d 5d 5b 30 5d 2e 0d |s[pieceN|um][0]..|
|000021a0| 0d 73 68 6f 72 74 20 70 | 75 74 50 69 65 63 65 28 |.short p|utPiece(|
|000021b0| 73 68 6f 72 74 20 70 69 | 65 63 65 4e 75 6d 2c 20 |short pi|eceNum, |
|000021c0| 73 68 6f 72 74 20 77 68 | 65 72 65 2c 20 62 6f 61 |short wh|ere, boa|
|000021d0| 72 64 44 61 74 61 20 62 | 6f 61 72 64 29 7b 0d 20 |rdData b|oard){. |
|000021e0| 20 20 73 68 6f 72 74 20 | 69 2c 6a 2c 6b 2c 6c 6f |  short |i,j,k,lo|
|000021f0| 63 3b 0d 20 20 20 2f 2f | 20 74 65 73 74 20 69 66 |c;.   //| test if|
|00002200| 20 61 6e 79 20 6f 66 20 | 74 68 65 20 73 70 61 63 | any of |the spac|
|00002210| 65 73 20 61 72 65 20 61 | 6c 72 65 61 64 79 20 66 |es are a|lready f|
|00002220| 69 6c 6c 65 64 0d 20 20 | 20 69 66 20 28 62 6f 61 |illed.  | if (boa|
|00002230| 72 64 5b 77 68 65 72 65 | 5d 29 0d 20 20 20 20 20 |rd[where|]).     |
|00002240| 20 72 65 74 75 72 6e 20 | 30 3b 0d 20 20 20 66 6f | return |0;.   fo|
|00002250| 72 20 28 69 3d 31 3b 20 | 69 3c 35 3b 20 69 2b 2b |r (i=1; |i<5; i++|
|00002260| 29 0d 20 20 20 20 20 20 | 69 66 20 28 62 6f 61 72 |).      |if (boar|
|00002270| 64 5b 20 77 68 65 72 65 | 20 2b 20 70 69 65 63 65 |d[ where| + piece|
|00002280| 73 5b 70 69 65 63 65 4e | 75 6d 5d 5b 69 5d 20 5d |s[pieceN|um][i] ]|
|00002290| 29 0d 20 20 20 20 20 20 | 20 20 20 72 65 74 75 72 |).      |   retur|
|000022a0| 6e 20 30 3b 0d 20 20 20 | 2f 2f 20 69 66 20 74 68 |n 0;.   |// if th|
|000022b0| 65 20 70 69 65 63 65 20 | 63 61 6e 20 62 65 20 70 |e piece |can be p|
|000022c0| 6c 61 79 65 64 2c 20 74 | 68 65 6e 20 64 6f 20 73 |layed, t|hen do s|
|000022d0| 6f 2e 0d 20 20 20 62 6f | 61 72 64 5b 77 68 65 72 |o..   bo|ard[wher|
|000022e0| 65 5d 20 3d 20 70 69 65 | 63 65 73 5b 70 69 65 63 |e] = pie|ces[piec|
|000022f0| 65 4e 75 6d 5d 5b 30 5d | 20 2d 20 31 20 2b 20 27 |eNum][0]| - 1 + '|
|00002300| 41 27 3b 0d 20 20 20 6b | 20 3d 20 77 68 65 72 65 |A';.   k| = where|
|00002310| 20 25 20 31 30 3b 0d 20 | 20 20 6a 20 3d 20 77 68 | % 10;. |  j = wh|
|00002320| 65 72 65 20 2f 20 31 30 | 3b 0d 20 20 20 4d 6f 76 |ere / 10|;.   Mov|
|00002330| 65 54 6f 28 28 6b 2d 31 | 29 2a 73 71 75 61 72 65 |eTo((k-1|)*square|
|00002340| 53 69 7a 65 2b 38 2c 28 | 6a 2d 31 29 2a 73 71 75 |Size+8,(|j-1)*squ|
|00002350| 61 72 65 53 69 7a 65 2b | 31 34 29 3b 0d 20 20 20 |areSize+|14);.   |
|00002360| 44 72 61 77 43 68 61 72 | 28 62 6f 61 72 64 5b 77 |DrawChar|(board[w|
|00002370| 68 65 72 65 5d 29 3b 0d | 20 20 20 66 6f 72 20 28 |here]);.|   for (|
|00002380| 69 3d 31 3b 20 69 3c 35 | 3b 20 69 2b 2b 29 20 7b |i=1; i<5|; i++) {|
|00002390| 0d 20 20 20 20 20 20 6c | 6f 63 20 3d 20 77 68 65 |.      l|oc = whe|
|000023a0| 72 65 20 2b 20 70 69 65 | 63 65 73 5b 70 69 65 63 |re + pie|ces[piec|
|000023b0| 65 4e 75 6d 5d 5b 69 5d | 3b 0d 20 20 20 20 20 20 |eNum][i]|;.      |
|000023c0| 62 6f 61 72 64 5b 6c 6f | 63 5d 20 3d 20 70 69 65 |board[lo|c] = pie|
|000023d0| 63 65 73 5b 70 69 65 63 | 65 4e 75 6d 5d 5b 30 5d |ces[piec|eNum][0]|
|000023e0| 2d 31 2b 27 41 27 3b 0d | 20 20 20 20 20 20 6b 20 |-1+'A';.|      k |
|000023f0| 3d 20 6c 6f 63 20 25 20 | 31 30 3b 0d 20 20 20 20 |= loc % |10;.    |
|00002400| 20 20 6a 20 3d 20 6c 6f | 63 20 2f 20 31 30 3b 0d |  j = lo|c / 10;.|
|00002410| 20 20 20 20 20 20 4d 6f | 76 65 54 6f 28 28 6b 2d |      Mo|veTo((k-|
|00002420| 31 29 2a 73 71 75 61 72 | 65 53 69 7a 65 2b 38 2c |1)*squar|eSize+8,|
|00002430| 28 6a 2d 31 29 2a 73 71 | 75 61 72 65 53 69 7a 65 |(j-1)*sq|uareSize|
|00002440| 2b 31 34 29 3b 0d 20 20 | 20 20 20 20 44 72 61 77 |+14);.  |    Draw|
|00002450| 43 68 61 72 28 62 6f 61 | 72 64 5b 6c 6f 63 5d 29 |Char(boa|rd[loc])|
|00002460| 3b 0d 20 20 20 20 20 20 | 69 66 20 28 62 6f 61 72 |;.      |if (boar|
|00002470| 64 5b 6c 6f 63 5d 20 3d | 3d 20 27 40 27 29 20 7b |d[loc] =|= '@') {|
|00002480| 0d 20 20 20 20 20 20 20 | 20 20 6b 2b 2b 3b 0d 20 |.       |  k++;. |
|00002490| 20 20 20 20 20 7d 0d 20 | 20 20 20 7d 0d 20 20 20 |     }. |   }.   |
|000024a0| 20 72 65 74 75 72 6e 20 | 31 3b 0d 7d 0d 0d 0d 2f | return |1;.}.../|
|000024b0| 2f 20 46 75 6e 63 74 69 | 6f 6e 20 65 72 61 73 65 |/ Functi|on erase|
|000024c0| 50 69 65 63 65 20 69 73 | 20 63 61 6c 6c 65 64 20 |Piece is| called |
|000024d0| 74 6f 20 72 65 6d 6f 76 | 65 20 61 20 70 69 65 63 |to remov|e a piec|
|000024e0| 65 20 66 72 6f 6d 20 74 | 68 65 20 62 6f 61 72 64 |e from t|he board|
|000024f0| 0d 2f 2f 20 61 6e 64 20 | 66 72 6f 6d 20 74 68 65 |.// and |from the|
|00002500| 20 73 63 72 65 65 6e 2e | 20 20 49 74 20 69 73 20 | screen.|  It is |
|00002510| 61 73 73 75 6d 65 64 20 | 74 68 61 74 20 74 68 65 |assumed |that the|
|00002520| 20 64 72 61 77 69 6e 67 | 20 70 6f 72 74 20 69 73 | drawing| port is|
|00002530| 20 73 65 74 0d 2f 2f 20 | 74 6f 20 74 68 65 20 61 | set.// |to the a|
|00002540| 70 70 72 6f 70 72 69 61 | 74 65 20 77 69 6e 64 6f |ppropria|te windo|
|00002550| 77 20 77 68 65 6e 20 74 | 68 65 20 66 75 6e 63 74 |w when t|he funct|
|00002560| 69 6f 6e 20 69 73 20 63 | 61 6c 6c 65 64 2e 0d 2f |ion is c|alled../|
|00002570| 2f 20 49 74 20 69 73 20 | 61 6c 73 6f 20 61 73 73 |/ It is |also ass|
|00002580| 75 6d 65 64 20 74 68 61 | 74 20 74 68 65 20 73 70 |umed tha|t the sp|
|00002590| 65 63 69 66 69 65 64 20 | 70 69 65 63 65 20 69 73 |ecified |piece is|
|000025a0| 20 61 63 74 75 61 6c 6c | 79 20 61 74 20 74 68 65 | actuall|y at the|
|000025b0| 0d 2f 2f 20 73 70 65 63 | 69 66 69 65 64 20 6c 6f |.// spec|ified lo|
|000025c0| 63 61 74 69 6f 6e 21 21 | 0d 0d 73 68 6f 72 74 20 |cation!!|..short |
|000025d0| 65 72 61 73 65 50 69 65 | 63 65 28 73 68 6f 72 74 |erasePie|ce(short|
|000025e0| 20 70 69 65 63 65 4e 75 | 6d 2c 20 73 68 6f 72 74 | pieceNu|m, short|
|000025f0| 20 77 68 65 72 65 2c 20 | 62 6f 61 72 64 44 61 74 | where, |boardDat|
|00002600| 61 20 62 6f 61 72 64 29 | 7b 0d 20 20 20 73 68 6f |a board)|{.   sho|
|00002610| 72 74 20 69 2c 6a 2c 6b | 2c 6c 6f 63 3b 0d 20 20 |rt i,j,k|,loc;.  |
|00002620| 20 6b 20 3d 20 77 68 65 | 72 65 20 25 20 31 30 3b | k = whe|re % 10;|
|00002630| 0d 20 20 20 6a 20 3d 20 | 77 68 65 72 65 20 2f 20 |.   j = |where / |
|00002640| 31 30 3b 0d 20 20 20 4d | 6f 76 65 54 6f 28 28 6b |10;.   M|oveTo((k|
|00002650| 2d 31 29 2a 73 71 75 61 | 72 65 53 69 7a 65 2b 38 |-1)*squa|reSize+8|
|00002660| 2c 28 6a 2d 31 29 2a 73 | 71 75 61 72 65 53 69 7a |,(j-1)*s|quareSiz|
|00002670| 65 2b 31 34 29 3b 0d 20 | 20 20 44 72 61 77 43 68 |e+14);. |  DrawCh|
|00002680| 61 72 28 62 6f 61 72 64 | 5b 77 68 65 72 65 5d 29 |ar(board|[where])|
|00002690| 3b 0d 20 20 20 62 6f 61 | 72 64 5b 77 68 65 72 65 |;.   boa|rd[where|
|000026a0| 5d 20 3d 20 30 3b 0d 20 | 20 20 66 6f 72 20 28 69 |] = 0;. |  for (i|
|000026b0| 3d 31 3b 20 69 3c 35 3b | 20 69 2b 2b 29 20 7b 0d |=1; i<5;| i++) {.|
|000026c0| 20 20 20 20 20 20 6c 6f | 63 20 3d 20 77 68 65 72 |      lo|c = wher|
|000026d0| 65 20 2b 20 70 69 65 63 | 65 73 5b 70 69 65 63 65 |e + piec|es[piece|
|000026e0| 4e 75 6d 5d 5b 69 5d 3b | 0d 20 20 20 20 20 20 6b |Num][i];|.      k|
|000026f0| 20 3d 20 6c 6f 63 20 25 | 20 31 30 3b 0d 20 20 20 | = loc %| 10;.   |
|00002700| 20 20 20 6a 20 3d 20 6c | 6f 63 20 2f 20 31 30 3b |   j = l|oc / 10;|
|00002710| 0d 20 20 20 20 20 20 4d | 6f 76 65 54 6f 28 28 6b |.      M|oveTo((k|
|00002720| 2d 31 29 2a 73 71 75 61 | 72 65 53 69 7a 65 2b 38 |-1)*squa|reSize+8|
|00002730| 2c 28 6a 2d 31 29 2a 73 | 71 75 61 72 65 53 69 7a |,(j-1)*s|quareSiz|
|00002740| 65 2b 31 34 29 3b 0d 20 | 20 20 20 20 20 44 72 61 |e+14);. |     Dra|
|00002750| 77 43 68 61 72 28 62 6f | 61 72 64 5b 6c 6f 63 5d |wChar(bo|ard[loc]|
|00002760| 29 3b 0d 20 20 20 20 20 | 20 62 6f 61 72 64 5b 6c |);.     | board[l|
|00002770| 6f 63 5d 20 3d 20 30 3b | 0d 20 20 20 20 7d 3b 0d |oc] = 0;|.    };.|
|00002780| 20 20 20 72 65 74 75 72 | 6e 20 31 3b 0d 7d 0d 0d |   retur|n 1;.}..|
|00002790| 0d 0d 0d 63 6c 61 73 73 | 20 6d 79 57 69 6e 64 6f |...class| myWindo|
|000027a0| 77 20 3a 20 70 75 62 6c | 69 63 20 78 57 69 6e 64 |w : publ|ic xWind|
|000027b0| 6f 77 20 7b 0d 0d 20 20 | 20 2f 2f 20 44 61 74 61 |ow {..  | // Data|
|000027c0| 20 6e 65 65 64 65 64 20 | 66 6f 72 20 74 68 69 73 | needed |for this|
|000027d0| 20 77 69 6e 64 6f 77 3b | 20 65 61 63 68 20 77 69 | window;| each wi|
|000027e0| 6e 64 6f 77 20 72 65 70 | 72 65 73 65 6e 74 73 20 |ndow rep|resents |
|000027f0| 6f 6e 65 20 70 75 7a 7a | 6c 65 20 62 6f 61 72 64 |one puzz|le board|
|00002800| 0d 20 20 20 0d 20 20 20 | 77 69 6e 53 74 61 74 65 |.   .   |winState|
|00002810| 20 73 74 61 74 65 3b 20 | 20 20 20 20 20 20 2f 2f | state; |      //|
|00002820| 20 77 69 6e 64 6f 77 20 | 73 74 61 74 65 3b 20 74 | window |state; t|
|00002830| 79 70 65 20 77 69 6e 53 | 74 61 74 65 20 69 73 20 |ype winS|tate is |
|00002840| 64 65 66 69 6e 65 64 20 | 61 62 6f 76 65 0d 20 20 |defined |above.  |
|00002850| 20 62 6f 61 72 64 44 61 | 74 61 20 66 69 6c 6c 65 | boardDa|ta fille|
|00002860| 64 3b 20 20 20 20 20 2f | 2f 20 64 61 74 61 20 66 |d;     /|/ data f|
|00002870| 6f 72 20 74 68 65 20 70 | 75 7a 7a 6c 65 20 62 6f |or the p|uzzle bo|
|00002880| 61 72 64 20 61 73 73 6f | 63 69 61 74 65 64 20 77 |ard asso|ciated w|
|00002890| 69 74 68 20 74 68 69 73 | 20 77 69 6e 64 6f 77 0d |ith this| window.|
|000028a0| 20 20 20 73 68 6f 72 74 | 20 63 6c 69 63 6b 65 64 |   short| clicked|
|000028b0| 3b 20 20 20 20 20 20 20 | 20 2f 2f 20 68 6f 77 20 |;       | // how |
|000028c0| 6d 61 6e 79 20 73 71 75 | 61 72 65 73 20 68 61 73 |many squ|ares has|
|000028d0| 20 74 68 65 20 75 73 65 | 72 20 63 6c 69 63 6b 65 | the use|r clicke|
|000028e0| 64 20 6f 6e 3f 20 20 54 | 68 65 73 65 20 61 72 65 |d on?  T|hese are|
|000028f0| 0d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00002900| 20 20 20 20 20 20 20 20 | 20 20 2f 2f 20 20 20 74 |        |  //   t|
|00002910| 68 65 20 73 71 75 61 72 | 65 73 20 74 68 61 74 20 |he squar|es that |
|00002920| 61 72 65 20 74 6f 20 72 | 65 6d 61 69 6e 20 65 6d |are to r|emain em|
|00002930| 70 74 79 2e 20 20 57 68 | 65 6e 20 74 68 65 20 0d |pty.  Wh|en the .|
|00002940| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002950| 20 20 20 20 20 20 20 20 | 20 2f 2f 20 20 20 75 73 |        | //   us|
|00002960| 65 72 20 68 61 73 20 63 | 6c 69 63 6b 65 64 20 6f |er has c|licked o|
|00002970| 6e 20 66 6f 75 72 20 73 | 75 63 68 20 73 71 75 61 |n four s|uch squa|
|00002980| 72 65 73 2c 20 74 68 65 | 20 70 72 6f 67 72 61 6d |res, the| program|
|00002990| 0d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|000029a0| 20 20 20 20 20 20 20 20 | 20 20 2f 2f 20 20 20 73 |        |  //   s|
|000029b0| 74 61 72 74 73 20 73 6f | 6c 76 69 6e 67 20 74 68 |tarts so|lving th|
|000029c0| 65 20 70 75 7a 7a 6c 65 | 2e 0d 20 20 20 73 68 6f |e puzzle|..   sho|
|000029d0| 72 74 20 70 6c 61 79 65 | 64 3b 20 20 20 20 20 20 |rt playe|d;      |
|000029e0| 20 20 20 2f 2f 20 68 6f | 77 20 6d 61 6e 79 20 70 |   // ho|w many p|
|000029f0| 69 65 63 65 73 20 61 72 | 65 20 63 75 72 72 65 6e |ieces ar|e curren|
|00002a00| 74 6c 79 20 70 6c 61 79 | 65 64 20 6f 6e 20 74 68 |tly play|ed on th|
|00002a10| 65 20 62 6f 61 72 64 3f | 0d 20 20 20 73 68 6f 72 |e board?|.   shor|
|00002a20| 74 20 75 73 65 64 5b 31 | 33 5d 3b 20 20 20 20 20 |t used[1|3];     |
|00002a30| 20 20 2f 2f 20 75 73 65 | 64 5b 70 5d 20 69 73 20 |  // use|d[p] is |
|00002a40| 73 65 74 20 74 6f 20 31 | 20 69 66 20 70 65 6e 74 |set to 1| if pent|
|00002a50| 6f 6d 69 6e 6f 20 6e 75 | 6d 62 65 72 20 70 20 69 |omino nu|mber p i|
|00002a60| 73 20 63 75 72 72 65 6e | 74 6c 79 0d 20 20 20 20 |s curren|tly.    |
|00002a70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002a80| 20 20 20 20 20 2f 2f 20 | 20 20 6f 6e 20 74 68 65 |     // |  on the|
|00002a90| 20 62 6f 61 72 64 20 28 | 75 73 65 64 5b 30 5d 20 | board (|used[0] |
|00002aa0| 69 73 20 6e 6f 74 20 75 | 73 65 64 29 0d 20 20 20 |is not u|sed).   |
|00002ab0| 73 68 6f 72 74 20 70 69 | 65 63 65 53 74 61 63 6b |short pi|eceStack|
|00002ac0| 5b 31 32 5d 3b 20 2f 2f | 20 70 69 65 63 65 53 74 |[12]; //| pieceSt|
|00002ad0| 61 63 6b 5b 30 5d 2c 2e | 2e 2e 2c 70 69 65 63 65 |ack[0],.|..,piece|
|00002ae0| 53 74 61 63 6b 5b 70 6c | 61 79 65 64 2d 31 5d 20 |Stack[pl|ayed-1] |
|00002af0| 67 69 76 65 20 74 68 65 | 0d 20 20 20 20 20 20 20 |give the|.       |
|00002b00| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002b10| 20 20 2f 2f 20 20 20 6c | 69 73 74 20 6f 66 20 70 |  //   l|ist of p|
|00002b20| 69 65 63 65 73 20 63 75 | 72 72 65 6e 74 6c 79 20 |ieces cu|rrently |
|00002b30| 6f 6e 20 74 68 65 20 62 | 6f 61 72 64 2e 20 20 45 |on the b|oard.  E|
|00002b40| 61 63 68 20 65 6e 74 72 | 79 0d 20 20 20 20 20 20 |ach entr|y.      |
|00002b50| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002b60| 20 20 20 2f 2f 20 20 20 | 69 73 20 61 63 74 75 61 |   //   |is actua|
|00002b70| 6c 6c 79 20 61 6e 20 69 | 6e 64 65 78 20 74 6f 20 |lly an i|ndex to |
|00002b80| 74 68 65 20 67 6c 6f 62 | 61 6c 20 61 72 72 61 79 |the glob|al array|
|00002b90| 20 22 70 69 65 63 65 73 | 22 2e 0d 20 20 20 20 20 | "pieces|"..     |
|00002ba0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002bb0| 20 20 20 20 2f 2f 20 20 | 20 49 74 20 69 73 20 70 |    //  | It is p|
|00002bc0| 6f 73 73 69 62 6c 65 20 | 74 68 61 74 20 70 69 65 |ossible |that pie|
|00002bd0| 63 65 73 5b 70 6c 61 79 | 65 64 2d 31 5d 20 69 73 |ces[play|ed-1] is|
|00002be0| 20 2d 31 2c 0d 20 20 20 | 20 20 20 20 20 20 20 20 | -1,.   |        |
|00002bf0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2f |        |      //|
|00002c00| 20 20 20 69 6e 64 69 63 | 61 74 69 6e 67 20 74 68 |   indic|ating th|
|00002c10| 61 74 20 6e 6f 20 70 69 | 65 63 65 20 68 61 73 20 |at no pi|ece has |
|00002c20| 79 65 74 20 62 65 65 6e | 20 74 72 69 65 64 20 6f |yet been| tried o|
|00002c30| 6e 0d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |n.      |        |
|00002c40| 20 20 20 20 20 20 20 20 | 20 20 20 2f 2f 20 20 20 |        |   //   |
|00002c50| 74 68 65 20 63 75 72 72 | 65 6e 74 20 74 6f 70 20 |the curr|ent top |
|00002c60| 22 6c 65 76 65 6c 20 6f | 66 20 72 65 63 75 72 73 |"level o|f recurs|
|00002c70| 69 6f 6e 22 2e 0d 20 20 | 20 73 68 6f 72 74 20 73 |ion"..  | short s|
|00002c80| 71 75 61 72 65 53 74 61 | 63 6b 5b 31 33 5d 3b 2f |quareSta|ck[13];/|
|00002c90| 2f 20 73 71 75 61 72 65 | 53 74 61 63 6b 5b 30 5d |/ square|Stack[0]|
|00002ca0| 2c 2e 2e 2e 2c 73 71 75 | 61 72 65 53 74 61 63 74 |,...,squ|areStact|
|00002cb0| 5b 70 6c 61 79 65 64 2d | 31 5d 20 72 65 63 6f 72 |[played-|1] recor|
|00002cc0| 64 20 74 68 65 0d 20 20 | 20 20 20 20 20 20 20 20 |d the.  |        |
|00002cd0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 2f |        |       /|
|00002ce0| 2f 20 20 20 6e 65 78 74 | 20 65 6d 70 74 79 20 73 |/   next| empty s|
|00002cf0| 71 75 61 72 65 20 6f 6e | 20 74 68 65 20 62 6f 61 |quare on| the boa|
|00002d00| 72 64 20 61 66 74 65 72 | 20 65 61 63 68 0d 20 20 |rd after| each.  |
|00002d10| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002d20| 20 20 20 20 20 20 20 2f | 2f 20 20 20 6f 66 20 74 |       /|/   of t|
|00002d30| 68 65 20 70 69 65 63 65 | 73 20 69 6e 20 70 69 65 |he piece|s in pie|
|00002d40| 63 65 53 74 61 63 6b 20 | 77 61 73 20 70 6c 61 79 |ceStack |was play|
|00002d50| 65 64 0d 0d 20 70 75 62 | 6c 69 63 3a 0d 20 20 20 |ed.. pub|lic:.   |
|00002d60| 76 6f 69 64 20 70 6c 61 | 79 50 69 65 63 65 28 76 |void pla|yPiece(v|
|00002d70| 6f 69 64 29 3b 20 2f 2f | 20 74 68 69 73 20 69 73 |oid); //| this is|
|00002d80| 20 61 20 6e 65 77 20 66 | 75 6e 63 74 69 6f 6e 2c | a new f|unction,|
|00002d90| 20 72 65 73 70 6f 6e 73 | 69 62 6c 65 20 66 6f 72 | respons|ible for|
|00002da0| 20 70 6c 61 63 69 6e 67 | 0d 20 20 20 20 20 20 20 | placing|.       |
|00002db0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002dc0| 20 20 2f 2f 20 74 68 65 | 20 6e 65 78 74 20 70 69 |  // the| next pi|
|00002dd0| 65 63 65 20 6f 6e 20 74 | 68 65 20 62 6f 61 72 64 |ece on t|he board|
|00002de0| 2e 0d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |..      |        |
|00002df0| 20 20 20 20 20 20 20 20 | 20 20 20 0d 20 20 20 76 |        |   .   v|
|00002e00| 69 72 74 75 61 6c 20 76 | 6f 69 64 20 4f 70 65 6e |irtual v|oid Open|
|00002e10| 49 6e 52 65 63 74 28 53 | 74 72 32 35 35 20 74 69 |InRect(S|tr255 ti|
|00002e20| 74 6c 65 2c 20 69 6e 74 | 20 6c 65 66 74 2c 20 69 |tle, int| left, i|
|00002e30| 6e 74 20 74 6f 70 2c 20 | 69 6e 74 20 72 69 67 68 |nt top, |int righ|
|00002e40| 74 2c 20 69 6e 74 20 62 | 6f 74 74 6f 6d 29 3b 20 |t, int b|ottom); |
|00002e50| 20 20 0d 20 20 20 76 69 | 72 74 75 61 6c 20 73 68 |  .   vi|rtual sh|
|00002e60| 6f 72 74 20 43 6c 6f 73 | 65 28 76 6f 69 64 29 3b |ort Clos|e(void);|
|00002e70| 0d 0d 20 70 72 6f 74 65 | 63 74 65 64 3a 0d 20 20 |.. prote|cted:.  |
|00002e80| 20 76 69 72 74 75 61 6c | 20 76 6f 69 64 20 53 65 | virtual| void Se|
|00002e90| 74 44 65 66 61 75 6c 74 | 73 28 76 6f 69 64 29 3b |tDefault|s(void);|
|00002ea0| 0d 20 20 20 76 69 72 74 | 75 61 6c 20 76 6f 69 64 |.   virt|ual void|
|00002eb0| 20 64 6f 4b 65 79 28 63 | 68 61 72 20 63 68 29 3b | doKey(c|har ch);|
|00002ec0| 0d 20 20 20 76 69 72 74 | 75 61 6c 20 76 6f 69 64 |.   virt|ual void|
|00002ed0| 20 64 6f 43 6f 6e 74 65 | 6e 74 43 6c 69 63 6b 28 | doConte|ntClick(|
|00002ee0| 50 6f 69 6e 74 20 6c 6f | 63 61 6c 50 74 29 3b 0d |Point lo|calPt);.|
|00002ef0| 20 20 20 76 69 72 74 75 | 61 6c 20 76 6f 69 64 20 |   virtu|al void |
|00002f00| 61 64 6a 75 73 74 54 6f | 4e 65 77 53 69 7a 65 28 |adjustTo|NewSize(|
|00002f10| 76 6f 69 64 29 3b 0d 20 | 20 20 76 69 72 74 75 61 |void);. |  virtua|
|00002f20| 6c 20 76 6f 69 64 20 64 | 6f 52 65 64 72 61 77 28 |l void d|oRedraw(|
|00002f30| 52 65 63 74 2a 20 62 61 | 64 52 65 63 74 29 3b 0d |Rect* ba|dRect);.|
|00002f40| 20 20 20 76 69 72 74 75 | 61 6c 20 76 6f 69 64 20 |   virtu|al void |
|00002f50| 64 6f 48 53 63 72 6f 6c | 6c 28 69 6e 74 20 64 68 |doHScrol|l(int dh|
|00002f60| 29 3b 0d 20 20 20 76 69 | 72 74 75 61 6c 20 76 6f |);.   vi|rtual vo|
|00002f70| 69 64 20 64 6f 56 53 63 | 72 6f 6c 6c 28 69 6e 74 |id doVSc|roll(int|
|00002f80| 20 64 76 29 3b 0d 20 20 | 20 76 69 72 74 75 61 6c | dv);.  | virtual|
|00002f90| 20 76 6f 69 64 20 64 6f | 41 63 74 69 76 61 74 65 | void do|Activate|
|00002fa0| 28 69 6e 74 20 61 63 74 | 69 76 65 29 3b 0d 7d 3b |(int act|ive);.};|
|00002fb0| 0d 0d 0d 0d 2f 2f 20 46 | 75 6e 63 74 69 6f 6e 20 |....// F|unction |
|00002fc0| 70 6c 61 79 50 69 65 63 | 65 20 69 73 20 63 61 6c |playPiec|e is cal|
|00002fd0| 6c 65 64 20 62 79 20 66 | 75 6e 63 74 69 6f 6e 20 |led by f|unction |
|00002fe0| 41 70 70 6c 69 63 61 74 | 69 6f 6e 49 64 6c 65 20 |Applicat|ionIdle |
|00002ff0| 74 6f 20 70 6c 61 63 65 | 20 74 68 65 0d 2f 2f 20 |to place| the.// |
|00003000| 6e 65 78 74 20 70 69 65 | 63 65 20 6f 6e 20 74 68 |next pie|ce on th|
|00003010| 65 20 62 6f 61 72 64 2e | 20 20 49 74 20 64 6f 65 |e board.|  It doe|
|00003020| 73 20 6a 75 73 74 20 6f | 6e 65 20 73 74 65 70 20 |s just o|ne step |
|00003030| 69 6e 20 73 6f 6c 76 69 | 6e 67 20 74 68 65 20 70 |in solvi|ng the p|
|00003040| 75 7a 7a 6c 65 2e 0d 2f | 2f 20 41 63 74 75 61 6c |uzzle../|/ Actual|
|00003050| 6c 79 2c 20 74 68 69 73 | 20 66 75 6e 63 74 69 6f |ly, this| functio|
|00003060| 6e 20 69 73 20 63 61 6c | 6c 65 64 20 6f 6e 6c 79 |n is cal|led only|
|00003070| 20 66 6f 72 20 74 68 65 | 20 66 69 72 73 74 20 77 | for the| first w|
|00003080| 69 6e 64 6f 77 20 69 6e | 20 74 68 65 0d 2f 2f 20 |indow in| the.// |
|00003090| 6c 69 73 74 20 6f 66 20 | 77 69 6e 64 6f 77 73 2c |list of |windows,|
|000030a0| 20 78 57 69 6e 64 6f 77 | 4c 69 73 74 2c 20 77 68 | xWindow|List, wh|
|000030b0| 69 63 68 20 63 6f 6e 74 | 61 69 6e 73 20 61 6c 6c |ich cont|ains all|
|000030c0| 20 74 68 65 20 77 69 6e | 64 6f 77 73 20 63 75 72 | the win|dows cur|
|000030d0| 72 65 6e 74 6c 79 0d 2f | 2f 20 6f 70 65 6e 20 69 |rently./|/ open i|
|000030e0| 6e 20 74 68 65 20 70 72 | 6f 67 72 61 6d 2e 20 20 |n the pr|ogram.  |
|000030f0| 28 78 57 69 6e 64 6f 77 | 4c 69 73 74 20 69 73 20 |(xWindow|List is |
|00003100| 61 20 67 6c 6f 62 61 6c | 20 76 61 72 69 61 62 6c |a global| variabl|
|00003110| 65 2e 29 20 20 54 68 65 | 20 66 75 6e 63 74 69 6f |e.)  The| functio|
|00003120| 6e 0d 2f 2f 20 63 61 6c | 6c 20 69 73 20 70 61 73 |n.// cal|l is pas|
|00003130| 73 65 64 20 64 6f 77 6e | 20 74 68 69 73 20 6c 69 |sed down| this li|
|00003140| 73 74 20 62 79 20 74 68 | 65 20 66 69 72 73 74 20 |st by th|e first |
|00003150| 73 74 61 74 65 6d 65 6e | 74 20 6f 66 20 74 68 69 |statemen|t of thi|
|00003160| 73 20 66 75 6e 63 74 69 | 6f 6e 2c 0d 2f 2f 20 73 |s functi|on,.// s|
|00003170| 6f 20 74 68 61 74 20 65 | 61 63 68 20 77 69 6e 64 |o that e|ach wind|
|00003180| 6f 77 20 67 65 74 73 20 | 61 20 63 68 61 6e 63 65 |ow gets |a chance|
|00003190| 20 74 6f 20 64 6f 20 6f | 6e 65 20 73 74 65 70 20 | to do o|ne step |
|000031a0| 69 6e 20 69 74 73 20 70 | 75 7a 7a 6c 65 2e 0d 2f |in its p|uzzle../|
|000031b0| 2f 20 28 54 68 69 73 20 | 69 73 20 74 68 65 20 68 |/ (This |is the h|
|000031c0| 65 61 72 74 20 6f 66 20 | 74 68 65 20 61 6c 67 6f |eart of |the algo|
|000031d0| 72 69 74 68 6d 20 74 68 | 61 74 20 73 6f 6c 76 65 |rithm th|at solve|
|000031e0| 73 20 74 68 65 20 70 65 | 6e 74 6f 6d 69 6e 6f 73 |s the pe|ntominos|
|000031f0| 20 70 75 7a 7a 6c 65 2e | 0d 2f 2f 20 20 49 74 20 | puzzle.|.//  It |
|00003200| 69 6d 69 74 61 74 65 73 | 20 61 20 72 65 63 75 72 |imitates| a recur|
|00003210| 73 69 76 65 2c 20 64 65 | 70 74 68 2d 66 69 72 73 |sive, de|pth-firs|
|00003220| 74 20 73 65 61 72 63 68 | 2e 29 0d 0d 76 6f 69 64 |t search|.)..void|
|00003230| 20 6d 79 57 69 6e 64 6f | 77 3a 3a 70 6c 61 79 50 | myWindo|w::playP|
|00003240| 69 65 63 65 28 76 6f 69 | 64 29 20 7b 0d 20 20 20 |iece(voi|d) {.   |
|00003250| 73 68 6f 72 74 20 70 69 | 65 63 65 4e 75 6d 3b 0d |short pi|eceNum;.|
|00003260| 20 20 20 73 68 6f 72 74 | 20 65 6d 70 74 79 53 71 |   short| emptySq|
|00003270| 75 61 72 65 3b 0d 20 20 | 20 69 66 20 28 6e 65 78 |uare;.  | if (nex|
|00003280| 74 57 69 6e 64 6f 77 29 | 20 20 2f 2f 20 70 61 73 |tWindow)|  // pas|
|00003290| 73 20 66 75 6e 63 74 69 | 6f 6e 20 63 61 6c 6c 20 |s functi|on call |
|000032a0| 64 6f 77 6e 20 63 68 61 | 69 6e 20 6f 66 20 6f 70 |down cha|in of op|
|000032b0| 65 6e 20 77 69 6e 64 6f | 77 73 2e 0d 20 20 20 20 |en windo|ws..    |
|000032c0| 20 20 28 28 6d 79 57 69 | 6e 64 6f 77 2a 29 6e 65 |  ((myWi|ndow*)ne|
|000032d0| 78 74 57 69 6e 64 6f 77 | 29 2d 3e 70 6c 61 79 50 |xtWindow|)->playP|
|000032e0| 69 65 63 65 28 29 3b 0d | 20 20 20 69 66 20 28 73 |iece();.|   if (s|
|000032f0| 74 61 74 65 20 21 3d 20 | 72 75 6e 6e 69 6e 67 29 |tate != |running)|
|00003300| 20 20 2f 2f 20 74 68 69 | 73 20 66 75 6e 63 74 69 |  // thi|s functi|
|00003310| 6f 6e 20 64 6f 65 73 6e | 27 74 20 64 6f 20 61 6e |on doesn|'t do an|
|00003320| 79 74 68 69 6e 67 0d 20 | 20 20 20 20 20 72 65 74 |ything. |     ret|
|00003330| 75 72 6e 3b 20 20 20 20 | 20 20 20 20 20 20 20 20 |urn;    |        |
|00003340| 20 2f 2f 20 20 20 69 6e | 20 61 20 77 69 6e 64 6f | //   in| a windo|
|00003350| 77 20 74 68 61 74 20 69 | 73 6e 27 74 20 63 75 72 |w that i|sn't cur|
|00003360| 72 65 6e 74 6c 79 20 22 | 72 75 6e 6e 69 6e 67 22 |rently "|running"|
|00003370| 0d 20 20 20 53 65 74 50 | 6f 72 74 28 74 68 65 57 |.   SetP|ort(theW|
|00003380| 69 6e 64 6f 77 29 3b 0d | 20 20 20 64 6f 20 7b 20 |indow);.|   do { |
|00003390| 2f 2f 20 49 6d 61 67 69 | 6e 65 20 68 65 72 65 20 |// Imagi|ne here |
|000033a0| 74 68 61 74 20 79 6f 75 | 20 61 72 65 20 6f 6e 20 |that you| are on |
|000033b0| 6f 6e 65 20 6c 65 76 65 | 6c 20 6f 66 20 74 68 65 |one leve|l of the|
|000033c0| 20 72 65 63 75 72 73 69 | 6f 6e 2c 0d 20 20 20 20 | recursi|on,.    |
|000033d0| 20 20 20 20 2f 2f 20 61 | 6e 64 20 79 6f 75 20 68 |    // a|nd you h|
|000033e0| 61 76 65 20 6a 75 73 74 | 20 72 65 74 75 72 6e 65 |ave just| returne|
|000033f0| 64 20 66 72 6f 6d 20 74 | 72 79 69 6e 67 20 61 6c |d from t|rying al|
|00003400| 6c 20 74 68 65 20 70 6f | 73 73 69 62 69 6c 69 74 |l the po|ssibilit|
|00003410| 69 65 73 0d 20 20 20 20 | 20 20 20 20 2f 2f 20 61 |ies.    |    // a|
|00003420| 74 20 6f 74 68 65 72 20 | 6c 65 76 65 6c 73 2e 20 |t other |levels. |
|00003430| 20 59 6f 75 20 77 61 6e | 74 20 74 6f 20 74 72 79 | You wan|t to try|
|00003440| 20 74 68 65 20 6e 65 78 | 74 20 70 6f 73 73 69 62 | the nex|t possib|
|00003450| 6c 65 20 70 69 65 63 65 | 0d 20 20 20 20 20 20 20 |le piece|.       |
|00003460| 20 2f 2f 20 6f 6e 20 74 | 68 69 73 20 6c 65 76 65 | // on t|his leve|
|00003470| 6c 2e 20 20 54 68 61 74 | 20 69 73 20 77 68 61 74 |l.  That| is what|
|00003480| 20 69 73 20 64 6f 6e 65 | 20 62 79 20 74 68 69 73 | is done| by this|
|00003490| 20 62 6f 64 79 20 6f 66 | 20 74 68 69 73 0d 20 20 | body of| this.  |
|000034a0| 20 20 20 20 20 20 2f 2f | 20 64 6f 20 6c 6f 6f 70 |      //| do loop|
|000034b0| 2c 20 65 78 63 65 70 74 | 20 74 68 61 74 20 69 74 |, except| that it|
|000034c0| 20 61 6c 73 6f 20 68 61 | 6e 64 6c 65 73 20 74 68 | also ha|ndles th|
|000034d0| 65 20 74 77 6f 20 65 78 | 74 72 65 6d 65 20 63 61 |e two ex|treme ca|
|000034e0| 73 65 73 3a 0d 20 20 20 | 20 20 20 20 20 2f 2f 20 |ses:.   |     // |
|000034f0| 77 68 65 6e 20 79 6f 75 | 20 66 69 72 73 74 20 67 |when you| first g|
|00003500| 65 74 20 74 6f 20 74 68 | 69 73 20 6c 65 76 65 6c |et to th|is level|
|00003510| 20 28 69 6e 64 69 63 61 | 74 65 64 20 62 79 20 61 | (indica|ted by a|
|00003520| 20 76 61 6c 75 65 20 6f | 66 20 2d 31 0d 20 20 20 | value o|f -1.   |
|00003530| 20 20 20 20 20 2f 2f 20 | 69 6e 20 70 69 65 63 65 |     // |in piece|
|00003540| 53 74 61 63 6b 5b 70 6c | 61 79 65 64 5d 29 20 61 |Stack[pl|ayed]) a|
|00003550| 6e 64 20 77 68 65 6e 20 | 74 68 65 72 65 20 61 72 |nd when |there ar|
|00003560| 65 20 6e 6f 20 6f 74 68 | 65 72 20 70 69 65 63 65 |e no oth|er piece|
|00003570| 73 20 74 6f 0d 20 20 20 | 20 20 20 20 20 2f 2f 20 |s to.   |     // |
|00003580| 70 6c 61 79 20 28 69 6e | 64 69 63 61 74 65 64 20 |play (in|dicated |
|00003590| 77 68 65 6e 20 70 69 65 | 63 65 4e 75 6d 20 62 65 |when pie|ceNum be|
|000035a0| 63 6f 6d 65 73 20 36 33 | 2c 20 77 68 69 63 68 20 |comes 63|, which |
|000035b0| 63 61 75 73 65 73 20 79 | 6f 75 0d 20 20 20 20 20 |causes y|ou.     |
|000035c0| 20 20 20 2f 2f 20 74 6f | 20 62 61 63 6b 20 75 70 |   // to| back up|
|000035d0| 20 6f 6e 65 20 6c 65 76 | 65 6c 20 61 6e 64 20 72 | one lev|el and r|
|000035e0| 65 70 65 61 74 20 74 68 | 65 20 64 6f 20 6c 6f 6f |epeat th|e do loo|
|000035f0| 70 20 6f 6e 20 74 68 61 | 74 20 6c 65 76 65 6c 29 |p on tha|t level)|
|00003600| 3b 0d 20 20 20 20 20 20 | 20 20 2f 2f 20 49 66 20 |;.      |  // If |
|00003610| 79 6f 75 20 62 61 63 6b | 20 75 70 20 61 6c 6c 20 |you back| up all |
|00003620| 74 68 65 20 77 61 79 20 | 74 6f 20 74 68 65 20 74 |the way |to the t|
|00003630| 6f 70 20 6c 65 76 65 6c | 2c 20 74 68 65 6e 20 79 |op level|, then y|
|00003640| 6f 75 20 6b 6e 6f 77 0d | 20 20 20 20 20 20 20 20 |ou know.|        |
|00003650| 2f 2f 20 74 68 65 72 65 | 20 61 72 65 20 6e 6f 20 |// there| are no |
|00003660| 73 6f 6c 75 74 69 6f 6e | 73 29 2e 0d 20 20 20 20 |solution|s)..    |
|00003670| 20 65 6d 70 74 79 53 71 | 75 61 72 65 20 3d 20 73 | emptySq|uare = s|
|00003680| 71 75 61 72 65 53 74 61 | 63 6b 5b 70 6c 61 79 65 |quareSta|ck[playe|
|00003690| 64 5d 3b 0d 20 20 20 20 | 20 69 66 20 28 70 69 65 |d];.    | if (pie|
|000036a0| 63 65 53 74 61 63 6b 5b | 70 6c 61 79 65 64 5d 20 |ceStack[|played] |
|000036b0| 3e 20 2d 31 29 20 7b 20 | 20 2f 2f 20 72 65 6d 6f |> -1) { | // remo|
|000036c0| 76 65 20 70 72 65 76 69 | 6f 75 73 20 70 69 65 63 |ve previ|ous piec|
|000036d0| 65 20 74 72 69 65 64 2c | 20 69 66 20 61 6e 79 0d |e tried,| if any.|
|000036e0| 20 20 20 20 20 20 20 20 | 20 20 46 6f 72 65 43 6f |        |  ForeCo|
|000036f0| 6c 6f 72 28 77 68 69 74 | 65 43 6f 6c 6f 72 29 3b |lor(whit|eColor);|
|00003700| 0d 20 20 20 20 20 20 20 | 20 20 20 65 72 61 73 65 |.       |   erase|
|00003710| 50 69 65 63 65 28 70 69 | 65 63 65 53 74 61 63 6b |Piece(pi|eceStack|
|00003720| 5b 70 6c 61 79 65 64 5d | 2c 73 71 75 61 72 65 53 |[played]|,squareS|
|00003730| 74 61 63 6b 5b 70 6c 61 | 79 65 64 5d 2c 66 69 6c |tack[pla|yed],fil|
|00003740| 6c 65 64 29 3b 0d 20 20 | 20 20 20 20 20 20 20 20 |led);.  |        |
|00003750| 46 6f 72 65 43 6f 6c 6f | 72 28 62 6c 61 63 6b 43 |ForeColo|r(blackC|
|00003760| 6f 6c 6f 72 29 3b 0d 20 | 20 20 20 20 20 20 20 20 |olor);. |        |
|00003770| 20 75 73 65 64 5b 70 69 | 65 63 65 73 5b 70 69 65 | used[pi|eces[pie|
|00003780| 63 65 53 74 61 63 6b 5b | 70 6c 61 79 65 64 5d 5d |ceStack[|played]]|
|00003790| 5b 30 5d 5d 20 3d 20 30 | 3b 0d 20 20 20 20 20 7d |[0]] = 0|;.     }|
|000037a0| 3b 0d 20 20 20 20 20 66 | 6f 72 20 28 70 69 65 63 |;.     f|or (piec|
|000037b0| 65 4e 75 6d 20 3d 20 70 | 69 65 63 65 53 74 61 63 |eNum = p|ieceStac|
|000037c0| 6b 5b 70 6c 61 79 65 64 | 5d 2b 31 3b 20 0d 20 20 |k[played|]+1; .  |
|000037d0| 20 20 20 20 20 20 20 20 | 70 69 65 63 65 4e 75 6d |        |pieceNum|
|000037e0| 20 3c 20 36 33 20 26 26 | 20 0d 20 20 20 20 20 20 | < 63 &&| .      |
|000037f0| 20 20 20 20 20 20 28 75 | 73 65 64 5b 70 69 65 63 |      (u|sed[piec|
|00003800| 65 73 5b 70 69 65 63 65 | 4e 75 6d 5d 5b 30 5d 5d |es[piece|Num][0]]|
|00003810| 20 7c 7c 20 21 70 75 74 | 50 69 65 63 65 28 70 69 | || !put|Piece(pi|
|00003820| 65 63 65 4e 75 6d 2c 65 | 6d 70 74 79 53 71 75 61 |eceNum,e|mptySqua|
|00003830| 72 65 2c 66 69 6c 6c 65 | 64 29 29 3b 0d 20 20 20 |re,fille|d));.   |
|00003840| 20 20 20 20 20 20 20 70 | 69 65 63 65 4e 75 6d 20 |       p|ieceNum |
|00003850| 2b 2b 29 3b 20 20 2f 2f | 20 69 6e 63 72 65 6d 65 |++);  //| increme|
|00003860| 6e 74 20 70 69 65 63 65 | 4e 75 6d 20 75 6e 74 69 |nt piece|Num unti|
|00003870| 6c 20 79 6f 75 20 67 65 | 74 20 74 6f 20 61 20 70 |l you ge|t to a p|
|00003880| 69 65 63 65 0d 20 20 20 | 20 20 20 20 20 20 20 20 |iece.   |        |
|00003890| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2f |        |      //|
|000038a0| 20 74 68 61 74 20 66 69 | 74 73 2c 20 6f 72 20 72 | that fi|ts, or r|
|000038b0| 75 6e 20 6f 75 74 20 6f | 66 20 70 69 65 63 65 73 |un out o|f pieces|
|000038c0| 0d 20 20 20 20 20 69 66 | 20 28 70 69 65 63 65 4e |.     if| (pieceN|
|000038d0| 75 6d 20 3e 3d 20 36 33 | 29 20 7b 20 20 2f 2f 20 |um >= 63|) {  // |
|000038e0| 69 66 20 79 6f 75 20 72 | 61 6e 20 6f 75 74 20 6f |if you r|an out o|
|000038f0| 66 20 70 69 65 63 65 73 | 2c 20 62 61 63 6b 20 75 |f pieces|, back u|
|00003900| 70 20 61 20 6c 65 76 65 | 6c 0d 20 20 20 20 20 20 |p a leve|l.      |
|00003910| 20 20 70 6c 61 79 65 64 | 2d 2d 3b 0d 20 20 20 20 |  played|--;.    |
|00003920| 20 20 20 20 69 66 20 28 | 70 6c 61 79 65 64 20 3d |    if (|played =|
|00003930| 3d 20 2d 31 29 20 7b 0d | 20 20 20 20 20 20 20 20 |= -1) {.|        |
|00003940| 20 20 20 73 74 61 74 65 | 20 3d 20 6e 6f 53 6f 6c |   state| = noSol|
|00003950| 75 74 69 6f 6e 3b 0d 20 | 20 20 20 20 20 20 20 20 |ution;. |        |
|00003960| 20 20 53 65 74 54 69 74 | 6c 65 28 22 5c 70 4e 6f |  SetTit|le("\pNo|
|00003970| 20 53 6f 6c 75 74 69 6f | 6e 22 29 3b 0d 20 20 20 | Solutio|n");.   |
|00003980| 20 20 20 20 20 20 20 20 | 53 79 73 42 65 65 70 28 |        |SysBeep(|
|00003990| 32 29 3b 0d 20 20 20 20 | 20 20 20 20 20 20 20 72 |2);.    |       r|
|000039a0| 65 74 75 72 6e 3b 0d 20 | 20 20 20 20 20 20 20 7d |eturn;. |       }|
|000039b0| 0d 20 20 20 20 20 7d 0d | 20 20 20 7d 20 77 68 69 |.     }.|   } whi|
|000039c0| 6c 65 20 28 70 69 65 63 | 65 4e 75 6d 20 3e 3d 20 |le (piec|eNum >= |
|000039d0| 36 33 29 3b 20 20 2f 2f | 20 72 65 70 65 61 74 20 |63);  //| repeat |
|000039e0| 69 66 20 64 69 64 6e 27 | 74 20 70 6c 61 79 20 61 |if didn'|t play a|
|000039f0| 20 70 69 65 63 65 20 6f | 6e 20 74 68 69 73 20 6c | piece o|n this l|
|00003a00| 65 76 65 6c 0d 20 20 20 | 70 69 65 63 65 53 74 61 |evel.   |pieceSta|
|00003a10| 63 6b 5b 70 6c 61 79 65 | 64 5d 20 3d 20 70 69 65 |ck[playe|d] = pie|
|00003a20| 63 65 4e 75 6d 3b 20 20 | 2f 2f 20 72 65 63 6f 72 |ceNum;  |// recor|
|00003a30| 64 20 74 68 65 20 70 69 | 65 63 65 20 74 68 61 74 |d the pi|ece that|
|00003a40| 20 77 61 73 20 70 6c 61 | 79 65 64 0d 20 20 20 75 | was pla|yed.   u|
|00003a50| 73 65 64 5b 70 69 65 63 | 65 73 5b 70 69 65 63 65 |sed[piec|es[piece|
|00003a60| 4e 75 6d 5d 5b 30 5d 5d | 20 3d 20 31 3b 0d 20 20 |Num][0]]| = 1;.  |
|00003a70| 20 69 66 20 28 70 6c 61 | 79 65 64 20 3d 3d 20 31 | if (pla|yed == 1|
|00003a80| 31 29 20 7b 20 20 2f 2f | 20 61 20 73 6f 6c 75 74 |1) {  //| a solut|
|00003a90| 69 6f 6e 20 77 61 73 20 | 66 6f 75 6e 64 0d 20 20 |ion was |found.  |
|00003aa0| 20 20 20 20 53 79 73 42 | 65 65 70 28 31 29 3b 0d |    SysB|eep(1);.|
|00003ab0| 20 20 20 20 20 20 53 79 | 73 42 65 65 70 28 31 29 |      Sy|sBeep(1)|
|00003ac0| 3b 0d 20 20 20 20 20 20 | 53 79 73 42 65 65 70 28 |;.      |SysBeep(|
|00003ad0| 31 29 3b 0d 20 20 20 20 | 20 20 53 65 74 54 69 74 |1);.    |  SetTit|
|00003ae0| 6c 65 28 22 5c 70 43 6c | 69 63 6b 20 66 6f 72 20 |le("\pCl|ick for |
|00003af0| 4d 6f 72 65 22 29 3b 0d | 20 20 20 20 20 20 73 74 |More");.|      st|
|00003b00| 61 74 65 20 3d 20 66 69 | 6e 69 73 68 65 64 3b 0d |ate = fi|nished;.|
|00003b10| 20 20 20 7d 0d 20 20 20 | 65 6c 73 65 20 7b 20 20 |   }.   |else {  |
|00003b20| 2f 2f 20 54 68 69 73 20 | 72 65 61 6c 6c 79 20 73 |// This |really s|
|00003b30| 65 74 73 20 75 70 20 61 | 20 73 69 6d 75 6c 61 74 |ets up a| simulat|
|00003b40| 65 64 20 63 61 6c 6c 20 | 74 6f 20 74 68 65 20 72 |ed call |to the r|
|00003b50| 65 63 75 72 73 69 76 65 | 0d 20 20 20 20 20 20 20 |ecursive|.       |
|00003b60| 20 20 20 20 2f 2f 20 61 | 6c 67 6f 72 69 74 68 6d |    // a|lgorithm|
|00003b70| 20 6f 6e 20 74 68 65 20 | 6e 65 78 74 20 6c 65 76 | on the |next lev|
|00003b80| 65 6c 20 64 6f 77 6e 0d | 20 20 20 20 20 20 70 6c |el down.|      pl|
|00003b90| 61 79 65 64 2b 2b 3b 20 | 20 2f 2f 20 61 64 76 61 |ayed++; | // adva|
|00003ba0| 6e 63 65 20 74 6f 20 6e | 65 78 74 20 6c 65 76 65 |nce to n|ext leve|
|00003bb0| 6c 0d 20 20 20 20 20 20 | 70 69 65 63 65 53 74 61 |l.      |pieceSta|
|00003bc0| 63 6b 5b 70 6c 61 79 65 | 64 5d 20 3d 20 2d 31 3b |ck[playe|d] = -1;|
|00003bd0| 20 20 2f 2f 20 6f 6e 20 | 74 68 65 20 6e 65 77 20 |  // on |the new |
|00003be0| 6c 65 76 65 6c 2c 20 6e | 6f 20 70 69 65 63 65 20 |level, n|o piece |
|00003bf0| 68 61 73 20 62 65 65 6e | 20 74 72 69 65 64 0d 20 |has been| tried. |
|00003c00| 20 20 20 20 20 77 68 69 | 6c 65 20 28 66 69 6c 6c |     whi|le (fill|
|00003c10| 65 64 5b 65 6d 70 74 79 | 53 71 75 61 72 65 5d 29 |ed[empty|Square])|
|00003c20| 0d 20 20 20 20 20 20 20 | 20 20 65 6d 70 74 79 53 |.       |  emptyS|
|00003c30| 71 75 61 72 65 2b 2b 3b | 20 20 2f 2f 20 66 69 6e |quare++;|  // fin|
|00003c40| 64 20 6f 75 74 20 77 68 | 69 63 68 20 69 73 20 74 |d out wh|ich is t|
|00003c50| 68 65 20 6e 65 78 74 20 | 73 71 75 61 72 65 20 74 |he next |square t|
|00003c60| 6f 20 62 65 20 66 69 6c | 6c 65 64 0d 20 20 20 20 |o be fil|led.    |
|00003c70| 20 20 73 71 75 61 72 65 | 53 74 61 63 6b 5b 70 6c |  square|Stack[pl|
|00003c80| 61 79 65 64 5d 20 3d 20 | 65 6d 70 74 79 53 71 75 |ayed] = |emptySqu|
|00003c90| 61 72 65 3b 0d 20 20 20 | 7d 0d 7d 0d 0d 76 6f 69 |are;.   |}.}..voi|
|00003ca0| 64 20 6d 79 57 69 6e 64 | 6f 77 3a 3a 53 65 74 44 |d myWind|ow::SetD|
|00003cb0| 65 66 61 75 6c 74 73 28 | 76 6f 69 64 29 20 7b 0d |efaults(|void) {.|
|00003cc0| 20 20 20 73 68 6f 72 74 | 20 69 2c 6a 3b 0d 20 20 |   short| i,j;.  |
|00003cd0| 20 69 6e 68 65 72 69 74 | 65 64 3a 3a 53 65 74 44 | inherit|ed::SetD|
|00003ce0| 65 66 61 75 6c 74 73 28 | 29 3b 0d 20 20 20 66 65 |efaults(|);.   fe|
|00003cf0| 61 74 75 72 65 73 20 3d | 20 68 61 73 47 6f 41 77 |atures =| hasGoAw|
|00003d00| 61 79 3b 20 20 2f 2f 20 | 54 68 65 20 77 69 6e 64 |ay;  // |The wind|
|00003d10| 6f 77 20 69 73 20 66 69 | 78 65 64 2d 73 69 7a 65 |ow is fi|xed-size|
|00003d20| 20 77 69 74 68 20 6e 6f | 20 73 63 72 6f 6c 6c 20 | with no| scroll |
|00003d30| 62 61 72 73 2e 0d 20 20 | 20 63 6c 69 63 6b 65 64 |bars..  | clicked|
|00003d40| 20 3d 20 30 3b 20 20 20 | 20 20 20 20 20 20 2f 2f | = 0;   |      //|
|00003d50| 20 49 6e 69 74 69 61 6c | 69 7a 65 20 77 69 6e 64 | Initial|ize wind|
|00003d60| 6f 77 20 64 61 74 61 2e | 2e 2e 0d 20 20 20 73 74 |ow data.|...   st|
|00003d70| 61 74 65 20 3d 20 73 65 | 74 74 69 6e 67 55 70 3b |ate = se|ttingUp;|
|00003d80| 20 0d 20 20 20 73 71 75 | 61 72 65 53 74 61 63 6b | .   squ|areStack|
|00003d90| 5b 30 5d 20 3d 20 31 31 | 3b 20 20 2f 2f 20 66 69 |[0] = 11|;  // fi|
|00003da0| 72 73 74 20 73 71 75 61 | 72 65 20 6f 6e 20 62 6f |rst squa|re on bo|
|00003db0| 61 72 64 20 28 6e 6f 74 | 20 63 6f 75 6e 74 69 6e |ard (not| countin|
|00003dc0| 67 20 62 6f 72 64 65 72 | 29 0d 20 20 20 70 6c 61 |g border|).   pla|
|00003dd0| 79 65 64 20 3d 20 30 3b | 20 20 20 20 20 20 20 20 |yed = 0;|        |
|00003de0| 20 20 20 2f 2f 20 6e 6f | 20 70 69 65 63 65 73 20 |   // no| pieces |
|00003df0| 70 6c 61 79 65 64 0d 20 | 20 20 70 69 65 63 65 53 |played. |  pieceS|
|00003e00| 74 61 63 6b 5b 30 5d 20 | 3d 20 2d 31 3b 20 20 20 |tack[0] |= -1;   |
|00003e10| 2f 2f 20 69 6e 64 69 63 | 61 74 65 73 20 74 68 61 |// indic|ates tha|
|00003e20| 74 20 6e 6f 20 70 69 65 | 63 65 73 20 68 61 76 65 |t no pie|ces have|
|00003e30| 20 62 65 65 6e 20 74 72 | 69 65 64 20 79 65 74 20 | been tr|ied yet |
|00003e40| 65 69 74 68 65 72 0d 20 | 20 20 66 6f 72 20 28 69 |either. |  for (i|
|00003e50| 3d 30 3b 20 69 3c 31 30 | 30 3b 20 69 2b 2b 29 20 |=0; i<10|0; i++) |
|00003e60| 2f 2f 20 66 69 6c 6c 20 | 69 6e 20 74 68 65 20 62 |// fill |in the b|
|00003e70| 6f 72 64 65 72 20 77 69 | 74 68 20 2d 31 27 73 0d |order wi|th -1's.|
|00003e80| 20 20 20 20 20 66 69 6c | 6c 65 64 5b 69 5d 20 3d |     fil|led[i] =|
|00003e90| 20 2d 31 3b 0d 20 20 20 | 66 6f 72 20 28 69 3d 31 | -1;.   |for (i=1|
|00003ea0| 3b 20 69 3c 39 3b 20 69 | 2b 2b 29 20 20 20 2f 2f |; i<9; i|++)   //|
|00003eb0| 20 66 69 6c 6c 20 69 6e | 20 74 68 65 20 72 65 73 | fill in| the res|
|00003ec0| 74 20 6f 66 20 74 68 65 | 20 62 6f 61 72 64 20 77 |t of the| board w|
|00003ed0| 69 74 68 20 65 6d 70 74 | 79 20 73 70 61 63 65 73 |ith empt|y spaces|
|00003ee0| 20 28 30 27 73 29 0d 20 | 20 20 20 20 66 6f 72 20 | (0's). |    for |
|00003ef0| 28 6a 3d 31 3b 20 6a 3c | 39 3b 20 6a 2b 2b 29 0d |(j=1; j<|9; j++).|
|00003f00| 20 20 20 20 20 20 20 20 | 66 69 6c 6c 65 64 5b 6a |        |filled[j|
|00003f10| 2a 31 30 2b 69 5d 20 3d | 20 30 3b 0d 20 20 20 66 |*10+i] =| 0;.   f|
|00003f20| 6f 72 20 28 69 3d 31 3b | 69 3c 31 33 3b 69 2b 2b |or (i=1;|i<13;i++|
|00003f30| 29 20 20 20 2f 2f 20 66 | 6f 72 20 65 61 63 68 20 |)   // f|or each |
|00003f40| 70 65 6e 74 6f 6d 69 6e | 6f 2c 20 72 65 63 6f 72 |pentomin|o, recor|
|00003f50| 64 20 74 68 61 74 20 69 | 74 20 68 61 73 20 6e 6f |d that i|t has no|
|00003f60| 74 20 62 65 65 6e 20 75 | 73 65 64 0d 20 20 20 20 |t been u|sed.    |
|00003f70| 20 20 75 73 65 64 5b 69 | 5d 20 3d 20 30 3b 0d 7d |  used[i|] = 0;.}|
|00003f80| 0d 0d 0d 2f 2f 20 46 75 | 6e 63 74 69 6f 6e 20 4f |...// Fu|nction O|
|00003f90| 70 65 6e 49 6e 52 65 63 | 74 20 68 61 73 20 62 65 |penInRec|t has be|
|00003fa0| 65 6e 20 6d 6f 64 69 66 | 69 65 64 20 74 6f 20 69 |en modif|ied to i|
|00003fb0| 67 6e 6f 72 65 20 74 68 | 65 20 70 61 72 61 6d 65 |gnore th|e parame|
|00003fc0| 74 65 72 73 20 74 68 61 | 74 20 67 69 76 65 0d 2f |ters tha|t give./|
|00003fd0| 2f 20 74 68 65 20 77 69 | 6e 64 6f 77 20 70 6f 73 |/ the wi|ndow pos|
|00003fe0| 69 74 69 6f 6e 20 61 6e | 64 20 74 6f 20 75 73 65 |ition an|d to use|
|00003ff0| 20 61 20 66 6f 72 6d 75 | 6c 61 20 6f 66 20 6d 79 | a formu|la of my|
|00004000| 20 6f 77 6e 20 74 6f 20 | 73 65 74 20 75 70 20 74 | own to |set up t|
|00004010| 68 65 0d 2f 2f 20 77 69 | 6e 64 6f 77 20 6c 6f 63 |he.// wi|ndow loc|
|00004020| 61 74 69 6f 6e 2e 20 20 | 54 68 65 20 77 69 6e 64 |ation.  |The wind|
|00004030| 6f 77 73 20 61 72 65 20 | 61 6c 6c 20 74 68 65 20 |ows are |all the |
|00004040| 73 61 6d 65 20 73 69 7a | 65 20 61 6e 64 20 65 61 |same siz|e and ea|
|00004050| 63 68 20 73 75 63 63 65 | 73 73 69 76 65 0d 2f 2f |ch succe|ssive.//|
|00004060| 20 77 69 6e 64 6f 77 73 | 20 69 73 20 6f 66 66 73 | windows| is offs|
|00004070| 65 74 20 66 72 6f 6d 20 | 74 68 65 20 70 72 65 76 |et from |the prev|
|00004080| 69 6f 75 73 20 77 69 6e | 64 6f 77 2e 20 20 57 69 |ious win|dow.  Wi|
|00004090| 6e 64 6f 77 43 74 20 69 | 73 20 61 20 67 6c 6f 62 |ndowCt i|s a glob|
|000040a0| 61 6c 0d 2f 2f 20 76 61 | 72 69 61 62 6c 65 20 74 |al.// va|riable t|
|000040b0| 68 61 74 20 74 65 6c 6c | 73 20 68 6f 77 20 6d 61 |hat tell|s how ma|
|000040c0| 6e 79 20 77 69 6e 64 6f | 77 73 20 68 61 76 65 20 |ny windo|ws have |
|000040d0| 62 65 65 6e 20 6f 70 65 | 6e 65 64 20 73 6f 20 66 |been ope|ned so f|
|000040e0| 61 72 2e 0d 0d 76 6f 69 | 64 20 6d 79 57 69 6e 64 |ar...voi|d myWind|
|000040f0| 6f 77 3a 3a 4f 70 65 6e | 49 6e 52 65 63 74 28 53 |ow::Open|InRect(S|
|00004100| 74 72 32 35 35 20 74 69 | 74 6c 65 2c 20 69 6e 74 |tr255 ti|tle, int|
|00004110| 20 6c 65 66 74 2c 20 69 | 6e 74 20 74 6f 70 2c 20 | left, i|nt top, |
|00004120| 69 6e 74 20 72 69 67 68 | 74 2c 20 69 6e 74 20 62 |int righ|t, int b|
|00004130| 6f 74 74 6f 6d 29 20 7b | 0d 20 20 20 69 6e 68 65 |ottom) {|.   inhe|
|00004140| 72 69 74 65 64 3a 3a 4f | 70 65 6e 49 6e 52 65 63 |rited::O|penInRec|
|00004150| 74 28 74 69 74 6c 65 2c | 0d 20 20 20 20 20 20 20 |t(title,|.       |
|00004160| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004170| 20 20 34 30 2b 31 30 2a | 28 57 69 6e 64 6f 77 43 |  40+10*|(WindowC|
|00004180| 74 25 32 35 29 2c 0d 20 | 20 20 20 20 20 20 20 20 |t%25),. |        |
|00004190| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000041a0| 35 35 2b 31 30 2a 28 57 | 69 6e 64 6f 77 43 74 25 |55+10*(W|indowCt%|
|000041b0| 31 30 29 2c 0d 20 20 20 | 20 20 20 20 20 20 20 20 |10),.   |        |
|000041c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 34 30 |        |      40|
|000041d0| 2b 38 2a 73 71 75 61 72 | 65 53 69 7a 65 2d 31 2b |+8*squar|eSize-1+|
|000041e0| 31 30 2a 28 57 69 6e 64 | 6f 77 43 74 25 32 35 29 |10*(Wind|owCt%25)|
|000041f0| 2c 0d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,.      |        |
|00004200| 20 20 20 20 20 20 20 20 | 20 20 20 35 35 2b 38 2a |        |   55+8*|
|00004210| 73 71 75 61 72 65 53 69 | 7a 65 2d 31 2b 31 30 2a |squareSi|ze-1+10*|
|00004220| 28 57 69 6e 64 6f 77 43 | 74 25 31 30 29 29 3b 0d |(WindowC|t%10));.|
|00004230| 7d 0d 0d 73 68 6f 72 74 | 20 6d 79 57 69 6e 64 6f |}..short| myWindo|
|00004240| 77 3a 3a 43 6c 6f 73 65 | 28 76 6f 69 64 29 20 7b |w::Close|(void) {|
|00004250| 0d 20 20 20 69 6e 68 65 | 72 69 74 65 64 3a 3a 43 |.   inhe|rited::C|
|00004260| 6c 6f 73 65 28 29 3b 0d | 7d 0d 0d 0d 2f 2f 20 48 |lose();.|}...// H|
|00004270| 65 72 65 20 69 73 20 61 | 20 66 65 61 74 75 72 65 |ere is a| feature|
|00004280| 20 74 68 61 74 20 69 73 | 20 75 6e 64 6f 63 75 6d | that is| undocum|
|00004290| 65 6e 74 65 64 20 65 6c | 73 65 77 68 65 72 65 3a |ented el|sewhere:|
|000042a0| 20 20 49 66 20 74 68 65 | 20 75 73 65 72 20 68 69 |  If the| user hi|
|000042b0| 74 73 20 61 6e 79 0d 2f | 2f 20 6b 65 79 20 62 65 |ts any./|/ key be|
|000042c0| 66 6f 72 65 20 63 6c 69 | 63 6b 69 6e 67 20 6f 6e |fore cli|cking on|
|000042d0| 20 66 6f 75 72 20 73 71 | 75 61 72 65 73 2c 20 74 | four sq|uares, t|
|000042e0| 68 65 20 70 72 6f 67 72 | 61 6d 20 77 69 6c 6c 20 |he progr|am will |
|000042f0| 73 74 61 72 74 20 73 6f | 6c 76 69 6e 67 20 74 68 |start so|lving th|
|00004300| 65 0d 2f 2f 20 70 75 7a | 7a 6c 65 3b 20 74 68 65 |e.// puz|zle; the|
|00004310| 72 65 20 77 69 6c 6c 20 | 62 65 20 73 6f 6d 65 20 |re will |be some |
|00004320| 65 78 74 72 61 20 65 6d | 70 74 79 20 73 71 75 61 |extra em|pty squa|
|00004330| 72 65 73 20 6f 6e 20 74 | 68 65 20 62 6f 61 72 64 |res on t|he board|
|00004340| 20 61 66 74 65 72 20 61 | 6c 6c 20 31 32 0d 2f 2f | after a|ll 12.//|
|00004350| 20 70 65 6e 74 6f 6d 69 | 6e 6f 73 20 68 61 76 65 | pentomi|nos have|
|00004360| 20 62 65 65 6e 20 70 6c | 61 63 65 64 2e 0d 0d 76 | been pl|aced...v|
|00004370| 6f 69 64 20 6d 79 57 69 | 6e 64 6f 77 3a 3a 64 6f |oid myWi|ndow::do|
|00004380| 4b 65 79 28 63 68 61 72 | 20 63 68 29 20 7b 0d 20 |Key(char| ch) {. |
|00004390| 20 20 69 66 20 28 73 74 | 61 74 65 20 3e 3d 20 72 |  if (st|ate >= r|
|000043a0| 75 6e 6e 69 6e 67 29 0d | 20 20 20 20 20 20 72 65 |unning).|      re|
|000043b0| 74 75 72 6e 3b 0d 20 20 | 20 73 74 61 74 65 20 3d |turn;.  | state =|
|000043c0| 20 72 75 6e 6e 69 6e 67 | 3b 0d 20 20 20 77 68 69 | running|;.   whi|
|000043d0| 6c 65 20 28 66 69 6c 6c | 65 64 5b 73 71 75 61 72 |le (fill|ed[squar|
|000043e0| 65 53 74 61 63 6b 5b 30 | 5d 5d 29 0d 20 20 20 20 |eStack[0|]]).    |
|000043f0| 20 20 20 73 71 75 61 72 | 65 53 74 61 63 6b 5b 30 |   squar|eStack[0|
|00004400| 5d 2b 2b 3b 0d 20 20 20 | 53 65 74 54 69 74 6c 65 |]++;.   |SetTitle|
|00004410| 28 22 5c 70 50 65 6e 74 | 6f 6d 69 6e 6f 73 22 29 |("\pPent|ominos")|
|00004420| 3b 0d 20 20 20 63 6c 69 | 63 6b 65 64 20 3d 20 34 |;.   cli|cked = 4|
|00004430| 3b 0d 7d 0d 0d 0d 0d 76 | 6f 69 64 20 6d 79 57 69 |;.}....v|oid myWi|
|00004440| 6e 64 6f 77 3a 3a 64 6f | 43 6f 6e 74 65 6e 74 43 |ndow::do|ContentC|
|00004450| 6c 69 63 6b 28 50 6f 69 | 6e 74 20 6c 6f 63 61 6c |lick(Poi|nt local|
|00004460| 50 74 29 20 7b 0d 20 20 | 20 73 68 6f 72 74 20 69 |Pt) {.  | short i|
|00004470| 2c 6a 3b 0d 20 20 20 52 | 65 63 74 20 52 3b 0d 20 |,j;.   R|ect R;. |
|00004480| 20 20 69 66 20 28 73 74 | 61 74 65 20 3d 3d 20 66 |  if (st|ate == f|
|00004490| 69 6e 69 73 68 65 64 29 | 20 7b 20 20 20 20 2f 2f |inished)| {    //|
|000044a0| 20 41 66 74 65 72 20 61 | 20 73 6f 6c 75 74 69 6f | After a| solutio|
|000044b0| 6e 20 68 61 73 20 62 65 | 65 6e 20 66 6f 75 6e 64 |n has be|en found|
|000044c0| 2c 20 74 68 65 20 75 73 | 65 72 0d 20 20 20 20 20 |, the us|er.     |
|000044d0| 20 73 74 61 74 65 20 3d | 20 72 75 6e 6e 69 6e 67 | state =| running|
|000044e0| 3b 20 20 20 20 20 20 20 | 20 20 2f 2f 20 63 61 6e |;       |  // can|
|000044f0| 20 72 65 73 74 61 72 74 | 20 74 68 65 20 73 65 61 | restart| the sea|
|00004500| 72 63 68 20 66 6f 72 20 | 61 6e 6f 74 68 65 72 20 |rch for |another |
|00004510| 73 6f 6c 75 74 69 6f 6e | 0d 20 20 20 20 20 20 53 |solution|.      S|
|00004520| 65 74 54 69 74 6c 65 28 | 22 5c 70 50 65 6e 74 6f |etTitle(|"\pPento|
|00004530| 6d 69 6e 6f 73 22 29 3b | 2f 2f 20 62 79 20 63 6c |minos");|// by cl|
|00004540| 69 63 6b 69 6e 67 20 6f | 6e 20 74 68 65 20 77 69 |icking o|n the wi|
|00004550| 6e 64 6f 77 2e 20 28 4e | 6f 74 65 20 74 68 61 74 |ndow. (N|ote that|
|00004560| 20 74 68 65 0d 20 20 20 | 20 20 20 72 65 74 75 72 | the.   |   retur|
|00004570| 6e 3b 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |n;      |        |
|00004580| 20 20 20 20 2f 2f 20 74 | 69 74 6c 65 20 6f 66 20 |    // t|itle of |
|00004590| 74 68 65 20 77 69 6e 64 | 6f 77 20 64 65 70 65 6e |the wind|ow depen|
|000045a0| 64 73 20 6f 6e 20 74 68 | 65 20 63 75 72 72 65 6e |ds on th|e curren|
|000045b0| 74 20 73 74 61 74 65 2e | 29 0d 20 20 20 7d 3b 0d |t state.|).   };.|
|000045c0| 20 20 20 69 66 20 28 73 | 74 61 74 65 20 3d 3d 20 |   if (s|tate == |
|000045d0| 73 65 74 74 69 6e 67 55 | 70 29 20 7b 20 20 20 2f |settingU|p) {   /|
|000045e0| 2f 20 66 69 6e 64 20 77 | 68 69 63 68 20 73 71 75 |/ find w|hich squ|
|000045f0| 61 72 65 20 74 68 65 20 | 75 73 65 72 20 63 6c 69 |are the |user cli|
|00004600| 63 6b 65 64 20 6f 6e 2c | 20 61 6e 64 0d 20 20 20 |cked on,| and.   |
|00004610| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004620| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2f 20 74 |        |    // t|
|00004630| 6f 67 67 6c 65 20 69 74 | 73 20 73 74 61 74 65 20 |oggle it|s state |
|00004640| 28 66 75 6c 6c 20 74 6f | 20 65 6d 70 74 79 20 74 |(full to| empty t|
|00004650| 6f 20 65 6d 70 74 79 20 | 74 6f 20 66 75 6c 6c 29 |o empty |to full)|
|00004660| 0d 20 20 20 20 20 20 6a | 20 3d 20 6c 6f 63 61 6c |.      j| = local|
|00004670| 50 74 2e 68 20 2f 20 73 | 71 75 61 72 65 53 69 7a |Pt.h / s|quareSiz|
|00004680| 65 20 2b 20 31 3b 0d 20 | 20 20 20 20 20 69 20 3d |e + 1;. |     i =|
|00004690| 20 6c 6f 63 61 6c 50 74 | 2e 76 20 2f 20 73 71 75 | localPt|.v / squ|
|000046a0| 61 72 65 53 69 7a 65 20 | 2b 20 31 3b 0d 20 20 20 |areSize |+ 1;.   |
|000046b0| 20 20 20 53 65 74 52 65 | 63 74 28 26 52 2c 28 6a |   SetRe|ct(&R,(j|
|000046c0| 2d 31 29 2a 73 71 75 61 | 72 65 53 69 7a 65 2c 28 |-1)*squa|reSize,(|
|000046d0| 69 2d 31 29 2a 73 71 75 | 61 72 65 53 69 7a 65 2c |i-1)*squ|areSize,|
|000046e0| 6a 2a 73 71 75 61 72 65 | 53 69 7a 65 2d 31 2c 69 |j*square|Size-1,i|
|000046f0| 2a 73 71 75 61 72 65 53 | 69 7a 65 2d 31 29 3b 0d |*squareS|ize-1);.|
|00004700| 20 20 20 20 20 20 49 6e | 76 65 72 74 52 65 63 74 |      In|vertRect|
|00004710| 28 26 52 29 3b 0d 20 20 | 20 20 20 20 66 69 6c 6c |(&R);.  |    fill|
|00004720| 65 64 5b 69 2a 31 30 2b | 6a 5d 20 3d 20 31 20 2d |ed[i*10+|j] = 1 -|
|00004730| 20 66 69 6c 6c 65 64 5b | 69 2a 31 30 2b 6a 5d 3b | filled[|i*10+j];|
|00004740| 0d 20 20 20 20 20 20 69 | 66 20 28 66 69 6c 6c 65 |.      i|f (fille|
|00004750| 64 5b 69 2a 31 30 2b 6a | 5d 29 0d 20 20 20 20 20 |d[i*10+j|]).     |
|00004760| 20 20 20 20 63 6c 69 63 | 6b 65 64 2b 2b 3b 0d 20 |    clic|ked++;. |
|00004770| 20 20 20 20 20 65 6c 73 | 65 0d 20 20 20 20 20 20 |     els|e.      |
|00004780| 20 20 20 63 6c 69 63 6b | 65 64 2d 2d 3b 0d 20 20 |   click|ed--;.  |
|00004790| 20 20 20 20 69 66 20 28 | 63 6c 69 63 6b 65 64 20 |    if (|clicked |
|000047a0| 3d 3d 20 34 29 20 7b 20 | 20 20 2f 2f 20 54 68 65 |== 4) { |  // The|
|000047b0| 20 66 6f 75 72 74 68 20 | 73 70 61 63 65 20 68 61 | fourth |space ha|
|000047c0| 73 20 6a 75 73 74 20 62 | 65 65 6e 20 73 70 65 63 |s just b|een spec|
|000047d0| 69 66 69 65 64 3b 20 73 | 74 61 72 74 20 72 75 6e |ified; s|tart run|
|000047e0| 6e 69 6e 67 0d 20 20 20 | 20 20 20 20 20 20 53 65 |ning.   |      Se|
|000047f0| 74 54 69 74 6c 65 28 22 | 5c 70 50 65 6e 74 6f 6d |tTitle("|\pPentom|
|00004800| 69 6e 6f 73 22 29 3b 0d | 20 20 20 20 20 20 20 20 |inos");.|        |
|00004810| 20 73 74 61 74 65 20 3d | 20 72 75 6e 6e 69 6e 67 | state =| running|
|00004820| 3b 0d 20 20 20 20 20 20 | 20 20 20 77 68 69 6c 65 |;.      |   while|
|00004830| 20 28 66 69 6c 6c 65 64 | 5b 73 71 75 61 72 65 53 | (filled|[squareS|
|00004840| 74 61 63 6b 5b 30 5d 5d | 29 0d 20 20 20 20 20 20 |tack[0]]|).      |
|00004850| 20 20 20 20 20 20 73 71 | 75 61 72 65 53 74 61 63 |      sq|uareStac|
|00004860| 6b 5b 30 5d 2b 2b 3b 20 | 20 2f 2f 20 28 73 71 75 |k[0]++; | // (squ|
|00004870| 61 72 65 53 74 61 63 6b | 5b 30 5d 20 69 73 20 73 |areStack|[0] is s|
|00004880| 75 70 70 6f 73 65 64 20 | 74 6f 20 62 65 20 74 68 |upposed |to be th|
|00004890| 65 20 66 69 72 73 74 0d | 20 20 20 20 20 20 20 20 |e first.|        |
|000048a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000048b0| 20 20 20 20 20 20 20 2f | 2f 20 20 61 76 61 69 6c |       /|/  avail|
|000048c0| 61 62 6c 65 20 73 71 75 | 61 72 65 3b 20 74 68 65 |able squ|are; the|
|000048d0| 20 75 73 65 72 20 6d 69 | 67 68 74 20 68 61 76 65 | user mi|ght have|
|000048e0| 20 65 6c 69 6d 69 6e 61 | 74 65 64 0d 20 20 20 20 | elimina|ted.    |
|000048f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004900| 20 20 20 20 20 20 20 20 | 20 20 20 2f 2f 20 20 6f |        |   //  o|
|00004910| 6e 65 20 6f 72 20 6d 6f | 72 65 20 73 71 75 61 72 |ne or mo|re squar|
|00004920| 65 73 20 61 74 20 74 68 | 65 20 62 65 67 69 6e 6e |es at th|e beginn|
|00004930| 69 6e 67 20 6f 66 20 74 | 68 65 0d 20 20 20 20 20 |ing of t|he.     |
|00004940| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004950| 20 20 20 20 20 20 20 20 | 20 20 2f 2f 20 20 62 6f |        |  //  bo|
|00004960| 61 72 64 2e 29 0d 20 20 | 20 20 20 20 7d 0d 20 20 |ard.).  |    }.  |
|00004970| 20 7d 0d 7d 0d 0d 0d 0d | 2f 2f 20 46 75 6e 63 74 | }.}....|// Funct|
|00004980| 69 6f 6e 20 64 6f 52 65 | 64 72 61 77 20 73 69 6d |ion doRe|draw sim|
|00004990| 70 6c 79 20 72 65 64 72 | 61 77 73 20 74 68 65 20 |ply redr|aws the |
|000049a0| 62 6f 61 72 64 20 61 73 | 20 69 74 20 63 75 72 72 |board as| it curr|
|000049b0| 65 6e 74 6c 79 20 65 78 | 69 73 74 73 2e 0d 0d 76 |ently ex|ists...v|
|000049c0| 6f 69 64 20 6d 79 57 69 | 6e 64 6f 77 3a 3a 64 6f |oid myWi|ndow::do|
|000049d0| 52 65 64 72 61 77 28 52 | 65 63 74 2a 20 62 61 64 |Redraw(R|ect* bad|
|000049e0| 52 65 63 74 29 7b 0d 20 | 20 20 52 65 63 74 20 52 |Rect){. |  Rect R|
|000049f0| 3b 0d 20 20 20 73 68 6f | 72 74 20 69 2c 6a 3b 0d |;.   sho|rt i,j;.|
|00004a00| 20 20 20 66 6f 72 20 28 | 69 3d 31 3b 69 3c 38 3b |   for (|i=1;i<8;|
|00004a10| 69 2b 2b 29 20 7b 20 20 | 20 2f 2f 20 64 72 61 77 |i++) {  | // draw|
|00004a20| 20 76 65 72 74 69 63 61 | 6c 20 6c 69 6e 65 73 0d | vertica|l lines.|
|00004a30| 20 20 20 20 20 20 4d 6f | 76 65 54 6f 28 69 2a 73 |      Mo|veTo(i*s|
|00004a40| 71 75 61 72 65 53 69 7a | 65 2d 31 2c 30 29 3b 0d |quareSiz|e-1,0);.|
|00004a50| 20 20 20 20 20 20 4c 69 | 6e 65 28 30 2c 38 2a 73 |      Li|ne(0,8*s|
|00004a60| 71 75 61 72 65 53 69 7a | 65 29 3b 0d 20 20 20 7d |quareSiz|e);.   }|
|00004a70| 3b 0d 20 20 20 66 6f 72 | 20 28 6a 3d 31 3b 6a 3c |;.   for| (j=1;j<|
|00004a80| 38 3b 6a 2b 2b 29 20 7b | 20 20 20 2f 2f 20 64 72 |8;j++) {|   // dr|
|00004a90| 61 77 20 68 6f 72 69 7a | 6f 6e 74 61 6c 20 6c 69 |aw horiz|ontal li|
|00004aa0| 6e 65 73 0d 20 20 20 20 | 20 20 4d 6f 76 65 54 6f |nes.    |  MoveTo|
|00004ab0| 28 30 2c 6a 2a 73 71 75 | 61 72 65 53 69 7a 65 2d |(0,j*squ|areSize-|
|00004ac0| 31 29 3b 0d 20 20 20 20 | 20 20 4c 69 6e 65 28 38 |1);.    |  Line(8|
|00004ad0| 2a 73 71 75 61 72 65 53 | 69 7a 65 2c 30 29 3b 0d |*squareS|ize,0);.|
|00004ae0| 20 20 20 7d 3b 0d 20 20 | 20 66 6f 72 20 28 69 3d |   };.  | for (i=|
|00004af0| 31 3b 69 3c 39 3b 69 2b | 2b 29 0d 20 20 20 20 20 |1;i<9;i+|+).     |
|00004b00| 20 66 6f 72 20 28 6a 3d | 31 3b 6a 3c 39 3b 6a 2b | for (j=|1;j<9;j+|
|00004b10| 2b 29 20 7b 20 20 20 2f | 2f 20 66 69 6c 6c 20 69 |+) {   /|/ fill i|
|00004b20| 6e 20 73 71 75 61 72 65 | 73 20 61 73 20 61 70 70 |n square|s as app|
|00004b30| 72 6f 70 72 69 61 74 65 | 0d 20 20 20 20 20 20 20 |ropriate|.       |
|00004b40| 20 20 69 66 20 28 66 69 | 6c 6c 65 64 5b 6a 2a 31 |  if (fi|lled[j*1|
|00004b50| 30 2b 69 5d 20 3d 3d 20 | 31 29 20 7b 0d 20 20 20 |0+i] == |1) {.   |
|00004b60| 20 20 20 20 20 20 20 20 | 20 53 65 74 52 65 63 74 |        | SetRect|
|00004b70| 28 26 52 2c 28 69 2d 31 | 29 2a 73 71 75 61 72 65 |(&R,(i-1|)*square|
|00004b80| 53 69 7a 65 2c 28 6a 2d | 31 29 2a 73 71 75 61 72 |Size,(j-|1)*squar|
|00004b90| 65 53 69 7a 65 2c 69 2a | 73 71 75 61 72 65 53 69 |eSize,i*|squareSi|
|00004ba0| 7a 65 2d 31 2c 6a 2a 73 | 71 75 61 72 65 53 69 7a |ze-1,j*s|quareSiz|
|00004bb0| 65 2d 31 29 3b 0d 20 20 | 20 20 20 20 20 20 20 20 |e-1);.  |        |
|00004bc0| 20 20 50 61 69 6e 74 52 | 65 63 74 28 26 52 29 3b |  PaintR|ect(&R);|
|00004bd0| 0d 20 20 20 20 20 20 20 | 20 20 7d 0d 20 20 20 20 |.       |  }.    |
|00004be0| 20 20 20 20 20 65 6c 73 | 65 20 69 66 20 28 66 69 |     els|e if (fi|
|00004bf0| 6c 6c 65 64 5b 6a 2a 31 | 30 2b 69 5d 29 20 7b 0d |lled[j*1|0+i]) {.|
|00004c00| 20 20 20 20 20 20 20 20 | 20 20 20 20 4d 6f 76 65 |        |    Move|
|00004c10| 54 6f 28 28 69 2d 31 29 | 2a 73 71 75 61 72 65 53 |To((i-1)|*squareS|
|00004c20| 69 7a 65 2b 38 2c 28 6a | 2d 31 29 2a 73 71 75 61 |ize+8,(j|-1)*squa|
|00004c30| 72 65 53 69 7a 65 2b 31 | 34 29 3b 0d 20 20 20 20 |reSize+1|4);.    |
|00004c40| 20 20 20 20 20 20 20 20 | 44 72 61 77 43 68 61 72 |        |DrawChar|
|00004c50| 28 66 69 6c 6c 65 64 5b | 6a 2a 31 30 2b 69 5d 29 |(filled[|j*10+i])|
|00004c60| 3b 0d 20 20 20 20 20 20 | 20 20 20 7d 0d 20 20 20 |;.      |   }.   |
|00004c70| 20 20 20 7d 0d 7d 0d 0d | 76 6f 69 64 20 6d 79 57 |   }.}..|void myW|
|00004c80| 69 6e 64 6f 77 3a 3a 61 | 64 6a 75 73 74 54 6f 4e |indow::a|djustToN|
|00004c90| 65 77 53 69 7a 65 28 76 | 6f 69 64 29 20 7b 0d 20 |ewSize(v|oid) {. |
|00004ca0| 20 20 69 6e 68 65 72 69 | 74 65 64 3a 3a 61 64 6a |  inheri|ted::adj|
|00004cb0| 75 73 74 54 6f 4e 65 77 | 53 69 7a 65 28 29 3b 0d |ustToNew|Size();.|
|00004cc0| 7d 0d 0d 76 6f 69 64 20 | 6d 79 57 69 6e 64 6f 77 |}..void |myWindow|
|00004cd0| 3a 3a 64 6f 48 53 63 72 | 6f 6c 6c 28 69 6e 74 20 |::doHScr|oll(int |
|00004ce0| 64 68 29 20 7b 0d 20 20 | 20 69 6e 68 65 72 69 74 |dh) {.  | inherit|
|00004cf0| 65 64 3a 3a 64 6f 48 53 | 63 72 6f 6c 6c 28 64 68 |ed::doHS|croll(dh|
|00004d00| 29 3b 0d 7d 0d 0d 76 6f | 69 64 20 6d 79 57 69 6e |);.}..vo|id myWin|
|00004d10| 64 6f 77 3a 3a 64 6f 56 | 53 63 72 6f 6c 6c 28 69 |dow::doV|Scroll(i|
|00004d20| 6e 74 20 64 76 29 20 7b | 0d 20 20 20 69 6e 68 65 |nt dv) {|.   inhe|
|00004d30| 72 69 74 65 64 3a 3a 64 | 6f 56 53 63 72 6f 6c 6c |rited::d|oVScroll|
|00004d40| 28 64 76 29 3b 0d 7d 0d | 0d 76 6f 69 64 20 6d 79 |(dv);.}.|.void my|
|00004d50| 57 69 6e 64 6f 77 3a 3a | 64 6f 41 63 74 69 76 61 |Window::|doActiva|
|00004d60| 74 65 28 69 6e 74 20 61 | 63 74 69 76 65 29 20 7b |te(int a|ctive) {|
|00004d70| 0d 20 20 20 69 6e 68 65 | 72 69 74 65 64 3a 3a 64 |.   inhe|rited::d|
|00004d80| 6f 41 63 74 69 76 61 74 | 65 28 61 63 74 69 76 65 |oActivat|e(active|
|00004d90| 29 3b 0d 7d 0d 0d 0d 0d | 76 6f 69 64 20 49 6e 69 |);.}....|void Ini|
|00004da0| 74 41 70 70 6c 69 63 61 | 74 69 6f 6e 28 76 6f 69 |tApplica|tion(voi|
|00004db0| 64 29 20 7b 0d 20 20 4d | 65 6e 75 48 61 6e 64 6c |d) {.  M|enuHandl|
|00004dc0| 65 20 61 70 70 6c 65 4d | 65 6e 75 3b 0d 20 20 66 |e appleM|enu;.  f|
|00004dd0| 69 6c 65 4d 65 6e 75 20 | 3d 20 47 65 74 4d 48 61 |ileMenu |= GetMHa|
|00004de0| 6e 64 6c 65 28 32 29 3b | 0d 20 20 65 64 69 74 4d |ndle(2);|.  editM|
|00004df0| 65 6e 75 20 3d 20 47 65 | 74 4d 48 61 6e 64 6c 65 |enu = Ge|tMHandle|
|00004e00| 28 33 29 3b 0d 20 20 61 | 70 70 6c 65 4d 65 6e 75 |(3);.  a|ppleMenu|
|00004e10| 20 3d 20 47 65 74 4d 48 | 61 6e 64 6c 65 28 31 29 | = GetMH|andle(1)|
|00004e20| 3b 0d 20 20 53 65 74 49 | 74 65 6d 28 61 70 70 6c |;.  SetI|tem(appl|
|00004e30| 65 4d 65 6e 75 2c 31 2c | 22 5c 70 41 62 6f 75 74 |eMenu,1,|"\pAbout|
|00004e40| 20 50 65 6e 74 6f 6d 69 | 6e 6f 73 2e 2e 2e 22 29 | Pentomi|nos...")|
|00004e50| 3b 20 20 2f 2f 20 53 65 | 74 20 74 68 65 20 70 72 |;  // Se|t the pr|
|00004e60| 6f 67 72 61 6d 20 6e 61 | 6d 65 0d 20 20 20 20 20 |ogram na|me.     |
|00004e70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004e80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004e90| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2f 20 66 |        |    // f|
|00004ea0| 6f 72 20 66 69 72 73 74 | 20 6c 69 6e 65 20 6f 66 |or first| line of|
|00004eb0| 20 41 70 70 6c 65 20 6d | 65 6e 75 0d 20 20 44 6f | Apple m|enu.  Do|
|00004ec0| 4e 65 77 43 6f 6d 6d 61 | 6e 64 28 29 3b 0d 7d 0d |NewComma|nd();.}.|
|00004ed0| 0d 76 6f 69 64 20 55 70 | 64 61 74 65 4d 65 6e 75 |.void Up|dateMenu|
|00004ee0| 73 28 76 6f 69 64 29 20 | 7b 0d 20 20 20 73 68 6f |s(void) |{.   sho|
|00004ef0| 72 74 20 69 3b 0d 20 20 | 20 57 69 6e 64 6f 77 50 |rt i;.  | WindowP|
|00004f00| 74 72 20 77 69 6e 3b 0d | 20 20 20 78 57 69 6e 64 |tr win;.|   xWind|
|00004f10| 6f 77 20 2a 78 77 69 6e | 3b 0d 20 20 20 77 69 6e |ow *xwin|;.   win|
|00004f20| 20 3d 20 46 72 6f 6e 74 | 57 69 6e 64 6f 77 28 29 | = Front|Window()|
|00004f30| 3b 0d 20 20 20 69 66 20 | 28 20 77 69 6e 20 26 26 |;.   if |( win &&|
|00004f40| 20 28 28 57 69 6e 64 6f | 77 50 65 65 6b 29 77 69 | ((Windo|wPeek)wi|
|00004f50| 6e 29 2d 3e 77 69 6e 64 | 6f 77 4b 69 6e 64 20 3c |n)->wind|owKind <|
|00004f60| 20 30 20 29 20 7b 20 20 | 0d 20 20 20 20 20 20 45 | 0 ) {  |.      E|
|00004f70| 6e 61 62 6c 65 49 74 65 | 6d 28 65 64 69 74 4d 65 |nableIte|m(editMe|
|00004f80| 6e 75 2c 31 29 3b 0d 20 | 20 20 20 20 20 66 6f 72 |nu,1);. |     for|
|00004f90| 20 28 69 3d 33 3b 20 69 | 3c 37 3b 20 69 2b 2b 29 | (i=3; i|<7; i++)|
|00004fa0| 0d 20 20 20 20 20 20 20 | 20 20 45 6e 61 62 6c 65 |.       |  Enable|
|00004fb0| 49 74 65 6d 28 65 64 69 | 74 4d 65 6e 75 2c 69 29 |Item(edi|tMenu,i)|
|00004fc0| 3b 0d 20 20 20 7d 0d 20 | 20 20 65 6c 73 65 20 7b |;.   }. |  else {|
|00004fd0| 0d 20 20 20 20 20 20 44 | 69 73 61 62 6c 65 49 74 |.      D|isableIt|
|00004fe0| 65 6d 28 65 64 69 74 4d | 65 6e 75 2c 31 29 3b 0d |em(editM|enu,1);.|
|00004ff0| 20 20 20 20 20 20 66 6f | 72 20 28 69 3d 33 3b 20 |      fo|r (i=3; |
|00005000| 69 3c 37 3b 20 69 2b 2b | 29 0d 20 20 20 20 20 20 |i<7; i++|).      |
|00005010| 20 20 20 44 69 73 61 62 | 6c 65 49 74 65 6d 28 65 |   Disab|leItem(e|
|00005020| 64 69 74 4d 65 6e 75 2c | 69 29 3b 0d 20 20 20 7d |ditMenu,|i);.   }|
|00005030| 0d 20 20 20 69 66 20 28 | 77 69 6e 20 26 26 20 78 |.   if (|win && x|
|00005040| 57 69 6e 64 6f 77 3a 3a | 57 69 6e 64 6f 77 32 58 |Window::|Window2X|
|00005050| 57 69 6e 64 6f 77 28 77 | 69 6e 2c 26 78 77 69 6e |Window(w|in,&xwin|
|00005060| 29 29 20 7b 0d 20 20 20 | 20 20 20 45 6e 61 62 6c |)) {.   |   Enabl|
|00005070| 65 49 74 65 6d 28 66 69 | 6c 65 4d 65 6e 75 2c 32 |eItem(fi|leMenu,2|
|00005080| 29 3b 20 20 0d 20 20 20 | 7d 0d 20 20 20 65 6c 73 |);  .   |}.   els|
|00005090| 65 20 7b 0d 20 20 20 20 | 20 20 44 69 73 61 62 6c |e {.    |  Disabl|
|000050a0| 65 49 74 65 6d 28 66 69 | 6c 65 4d 65 6e 75 2c 32 |eItem(fi|leMenu,2|
|000050b0| 29 3b 0d 20 20 20 7d 0d | 7d 0d 0d 76 6f 69 64 20 |);.   }.|}..void |
|000050c0| 44 6f 45 64 69 74 4d 65 | 6e 75 28 69 6e 74 20 69 |DoEditMe|nu(int i|
|000050d0| 74 65 6d 4e 75 6d 29 20 | 7b 0d 7d 0d 0d 76 6f 69 |temNum) |{.}..voi|
|000050e0| 64 20 44 6f 46 69 6c 65 | 4d 65 6e 75 28 69 6e 74 |d DoFile|Menu(int|
|000050f0| 20 69 74 65 6d 4e 75 6d | 2c 20 69 6e 74 2a 20 64 | itemNum|, int* d|
|00005100| 6f 6e 65 29 20 7b 0d 20 | 20 20 78 57 69 6e 64 6f |one) {. |  xWindo|
|00005110| 77 20 2a 77 69 6e 3b 0d | 20 20 20 69 66 20 28 69 |w *win;.|   if (i|
|00005120| 74 65 6d 4e 75 6d 20 3d | 3d 20 34 29 0d 20 20 20 |temNum =|= 4).   |
|00005130| 20 20 20 2a 64 6f 6e 65 | 20 3d 20 31 3b 0d 20 20 |   *done| = 1;.  |
|00005140| 20 65 6c 73 65 20 69 66 | 20 28 69 74 65 6d 4e 75 | else if| (itemNu|
|00005150| 6d 20 3d 3d 20 31 29 0d | 20 20 20 20 20 20 44 6f |m == 1).|      Do|
|00005160| 4e 65 77 43 6f 6d 6d 61 | 6e 64 28 29 3b 0d 20 20 |NewComma|nd();.  |
|00005170| 20 65 6c 73 65 20 69 66 | 20 28 69 74 65 6d 4e 75 | else if| (itemNu|
|00005180| 6d 20 3d 3d 20 32 20 26 | 26 20 78 57 69 6e 64 6f |m == 2 &|& xWindo|
|00005190| 77 3a 3a 57 69 6e 64 6f | 77 32 58 57 69 6e 64 6f |w::Windo|w2XWindo|
|000051a0| 77 28 46 72 6f 6e 74 57 | 69 6e 64 6f 77 28 29 2c |w(FrontW|indow(),|
|000051b0| 26 77 69 6e 29 29 0d 20 | 20 20 20 20 20 77 69 6e |&win)). |     win|
|000051c0| 2d 3e 43 6c 6f 73 65 28 | 29 3b 0d 7d 0d 0d 76 6f |->Close(|);.}..vo|
|000051d0| 69 64 20 44 6f 4f 74 68 | 65 72 4d 65 6e 75 28 69 |id DoOth|erMenu(i|
|000051e0| 6e 74 20 6d 65 6e 75 49 | 44 2c 20 69 6e 74 20 69 |nt menuI|D, int i|
|000051f0| 74 65 6d 4e 75 6d 29 20 | 7b 0d 7d 0d 0d 0d 2f 2f |temNum) |{.}...//|
|00005200| 20 41 70 70 6c 69 63 61 | 69 74 6f 6e 49 64 6c 65 | Applica|itonIdle|
|00005210| 20 73 65 6e 64 73 20 74 | 68 65 20 6d 65 73 73 61 | sends t|he messa|
|00005220| 67 65 20 70 6c 61 79 50 | 69 65 63 65 20 74 6f 20 |ge playP|iece to |
|00005230| 74 68 65 20 66 69 72 73 | 74 20 77 69 6e 64 6f 77 |the firs|t window|
|00005240| 20 6f 6e 20 74 68 65 20 | 0d 2f 2f 20 6c 69 73 74 | on the |.// list|
|00005250| 20 6f 66 20 6f 70 65 6e | 20 77 69 6e 64 6f 77 73 | of open| windows|
|00005260| 2e 20 20 28 54 68 61 74 | 20 77 69 6e 64 6f 77 20 |.  (That| window |
|00005270| 77 69 6c 6c 20 69 6e 20 | 74 75 72 6e 20 73 65 6e |will in |turn sen|
|00005280| 64 20 74 68 65 20 6d 65 | 73 73 61 67 65 20 6f 6e |d the me|ssage on|
|00005290| 20 0d 2f 2f 20 64 6f 77 | 6e 20 74 68 65 20 6c 69 | .// dow|n the li|
|000052a0| 73 74 2c 20 73 6f 20 74 | 68 61 74 20 65 61 63 68 |st, so t|hat each|
|000052b0| 20 77 69 6e 64 6f 77 20 | 77 69 6c 6c 20 68 61 76 | window |will hav|
|000052c0| 65 20 61 20 63 68 61 6e | 63 65 20 74 6f 20 70 6c |e a chan|ce to pl|
|000052d0| 61 79 20 6f 6e 65 0d 2f | 2f 20 70 69 65 63 65 2c |ay one./|/ piece,|
|000052e0| 20 65 61 63 68 20 74 69 | 6d 65 20 41 70 70 6c 69 | each ti|me Appli|
|000052f0| 63 61 74 69 6f 6e 49 64 | 6c 65 20 69 73 20 63 61 |cationId|le is ca|
|00005300| 6c 6c 65 64 2e 29 0d 0d | 76 6f 69 64 20 41 70 70 |lled.)..|void App|
|00005310| 6c 69 63 61 74 69 6f 6e | 49 64 6c 65 28 76 6f 69 |lication|Idle(voi|
|00005320| 64 29 20 7b 0d 20 20 20 | 69 66 20 28 78 57 69 6e |d) {.   |if (xWin|
|00005330| 64 6f 77 4c 69 73 74 29 | 20 20 2f 2f 20 63 68 65 |dowList)|  // che|
|00005340| 63 6b 20 69 66 20 74 68 | 65 20 6c 69 73 74 20 69 |ck if th|e list i|
|00005350| 73 20 65 6d 70 74 79 2e | 0d 20 20 20 20 20 28 28 |s empty.|.     ((|
|00005360| 6d 79 57 69 6e 64 6f 77 | 2a 29 78 57 69 6e 64 6f |myWindow|*)xWindo|
|00005370| 77 4c 69 73 74 29 2d 3e | 70 6c 61 79 50 69 65 63 |wList)->|playPiec|
|00005380| 65 28 29 3b 0d 20 20 20 | 2f 2f 20 54 68 65 20 74 |e();.   |// The t|
|00005390| 79 70 65 20 63 61 73 74 | 20 69 73 20 6e 65 63 65 |ype cast| is nece|
|000053a0| 73 73 61 72 79 20 73 69 | 6e 63 65 20 78 57 69 6e |ssary si|nce xWin|
|000053b0| 64 6f 77 4c 69 73 74 20 | 69 73 20 64 65 63 6c 61 |dowList |is decla|
|000053c0| 72 65 64 20 74 6f 20 62 | 65 20 6f 66 20 74 79 70 |red to b|e of typ|
|000053d0| 65 0d 20 20 20 2f 2f 20 | 78 57 69 6e 64 6f 77 2c |e.   // |xWindow,|
|000053e0| 20 6e 6f 74 20 6d 79 57 | 69 6e 64 6f 77 2c 20 61 | not myW|indow, a|
|000053f0| 6e 64 20 6f 6e 6c 79 20 | 6d 79 57 69 6e 64 6f 77 |nd only |myWindow|
|00005400| 73 20 68 61 76 65 20 61 | 20 66 75 6e 63 74 69 6f |s have a| functio|
|00005410| 6e 20 70 6c 61 79 50 69 | 65 63 65 2e 0d 7d 0d 0d |n playPi|ece..}..|
|00005420| 76 6f 69 64 20 43 6c 65 | 61 6e 55 70 41 70 70 6c |void Cle|anUpAppl|
|00005430| 69 63 61 74 69 6f 6e 28 | 76 6f 69 64 29 20 7b 0d |ication(|void) {.|
|00005440| 7d 0d 0d 0d 2f 2f 20 53 | 65 74 20 75 70 20 69 6e |}...// S|et up in|
|00005450| 66 6f 72 6d 61 74 69 6f | 6e 20 61 62 6f 75 74 20 |formatio|n about |
|00005460| 70 72 6f 67 72 61 6d 20 | 66 6f 72 20 74 68 65 20 |program |for the |
|00005470| 41 62 6f 75 74 20 62 6f | 78 3a 0d 76 6f 69 64 20 |About bo|x:.void |
|00005480| 41 62 6f 75 74 42 6f 78 | 28 76 6f 69 64 29 20 7b |AboutBox|(void) {|
|00005490| 0d 20 20 20 50 61 72 61 | 6d 54 65 78 74 28 20 22 |.   Para|mText( "|
|000054a0| 5c 70 50 65 6e 74 6f 6d | 69 6e 6f 73 3a 20 20 41 |\pPentom|inos:  A|
|000054b0| 6e 20 65 6e 74 65 72 74 | 61 69 6e 6d 65 6e 74 22 |n entert|ainment"|
|000054c0| 2c 0d 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,.      |        |
|000054d0| 22 5c 70 44 61 76 69 64 | 20 45 63 6b 22 2c 0d 20 |"\pDavid| Eck",. |
|000054e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 22 5c 70 |        |     "\p|
|000054f0| 48 6f 62 61 72 74 20 61 | 6e 64 20 57 69 6c 6c 69 |Hobart a|nd Willi|
|00005500| 61 6d 20 53 6d 69 74 68 | 20 43 6f 6c 6c 65 67 65 |am Smith| College|
|00005510| 73 5c 72 47 65 6e 65 76 | 61 2c 20 4e 59 20 20 31 |s\rGenev|a, NY  1|
|00005520| 34 34 35 36 5c 72 45 2d | 6d 61 69 6c 3a 20 65 63 |4456\rE-|mail: ec|
|00005530| 6b 40 68 77 73 2e 62 69 | 74 6e 65 74 22 2c 0d 20 |k@hws.bi|tnet",. |
|00005540| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 22 5c 70 |        |     "\p|
|00005550| 54 68 69 73 20 70 72 6f | 67 72 61 6d 20 74 72 69 |This pro|gram tri|
|00005560| 65 73 20 74 6f 20 70 6c | 61 63 65 20 74 68 65 20 |es to pl|ace the |
|00005570| 31 32 20 70 65 6e 74 6f | 6d 69 6e 6f 73 20 28 74 |12 pento|minos (t|
|00005580| 69 6c 65 73 20 74 68 61 | 74 20 63 61 6e 20 62 65 |iles tha|t can be|
|00005590| 20 6d 61 64 65 20 77 69 | 74 68 20 35 20 73 71 75 | made wi|th 5 squ|
|000055a0| 61 72 65 73 29 20 6f 6e | 20 61 6e 20 38 2d 62 79 |ares) on| an 8-by|
|000055b0| 2d 38 20 62 6f 61 72 64 | 2e 20 20 45 61 63 68 20 |-8 board|.  Each |
|000055c0| 74 69 6c 65 20 69 73 20 | 64 69 73 70 6c 61 79 65 |tile is |displaye|
|000055d0| 64 20 77 69 74 68 20 61 | 20 64 69 66 66 65 72 65 |d with a| differe|
|000055e0| 6e 74 20 6c 65 74 74 65 | 72 2e 22 29 3b 0d 20 20 |nt lette|r.");.  |
|000055f0| 20 41 6c 65 72 74 28 31 | 32 38 2c 30 4c 29 3b 0d | Alert(1|28,0L);.|
|00005600| 7d 0d 0d 0d 76 6f 69 64 | 20 44 6f 4e 65 77 43 6f |}...void| DoNewCo|
|00005610| 6d 6d 61 6e 64 28 76 6f | 69 64 29 20 7b 0d 20 20 |mmand(vo|id) {.  |
|00005620| 20 6d 79 57 69 6e 64 6f | 77 20 2a 70 65 6e 74 57 | myWindo|w *pentW|
|00005630| 69 6e 3b 0d 20 20 20 57 | 69 6e 64 6f 77 43 74 2b |in;.   W|indowCt+|
|00005640| 2b 3b 20 20 2f 2f 20 63 | 6f 75 6e 74 20 74 68 65 |+;  // c|ount the|
|00005650| 20 77 69 6e 64 6f 77 73 | 20 74 68 61 74 20 68 61 | windows| that ha|
|00005660| 76 65 20 62 65 65 6e 20 | 6f 70 65 6e 65 64 2f 0d |ve been |opened/.|
|00005670| 20 20 20 70 65 6e 74 57 | 69 6e 20 3d 20 6e 65 77 |   pentW|in = new|
|00005680| 20 6d 79 57 69 6e 64 6f | 77 3b 0d 20 20 20 70 65 | myWindo|w;.   pe|
|00005690| 6e 74 57 69 6e 2d 3e 4f | 70 65 6e 28 22 5c 70 43 |ntWin->O|pen("\pC|
|000056a0| 6c 69 63 6b 20 34 20 53 | 71 75 61 72 65 73 22 29 |lick 4 S|quares")|
|000056b0| 3b 20 20 2f 2f 20 69 6e | 69 74 69 61 6c 20 74 69 |;  // in|itial ti|
|000056c0| 74 6c 65 20 66 6f 72 20 | 77 69 6e 64 6f 77 20 74 |tle for |window t|
|000056d0| 65 6c 6c 73 20 74 68 65 | 0d 20 20 20 20 20 20 20 |ells the|.       |
|000056e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000056f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005700| 20 2f 2f 20 75 73 65 72 | 20 77 68 61 74 20 74 6f | // user| what to|
|00005710| 20 64 6f 2e 0d 7d 0d 0d | 00 00 00 00 00 00 00 00 | do..}..|........|
|00005720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005780| 00 00 01 00 00 00 02 32 | 00 00 01 32 00 00 00 32 |.......2|...2...2|
|00005790| 77 3a 3a 57 69 6e 64 6f | 77 32 58 57 69 6e 64 6f |w::Windo|w2XWindo|
|000057a0| 77 28 28 57 69 6e 64 6f | 77 50 74 72 29 67 45 76 |w((Windo|wPtr)gEv|
|000057b0| 0c 70 65 6e 74 6f 6d 69 | 6e 6f 73 2e 63 b7 02 00 |.pentomi|nos.c...|
|000057c0| 00 00 50 61 72 74 53 49 | 54 78 00 00 00 00 00 00 |..PartSI|Tx......|
|000057d0| 00 00 50 61 72 74 53 49 | 54 78 00 00 00 00 00 00 |..PartSI|Tx......|
|000057e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000057f0| 00 00 a9 80 1b 71 00 00 | 00 00 00 00 02 64 20 20 |.....q..|.....d  |
|00005800| 20 7d 0d 20 20 20 20 20 | 20 20 20 20 20 63 61 73 | }.     |     cas|
|00005810| 65 20 61 63 74 69 76 61 | 74 65 45 76 74 3a 20 7b |e activa|teEvt: {|
|00005820| 0d 20 20 20 20 20 20 20 | 20 20 20 20 20 20 69 66 |.       |      if|
|00005830| 20 28 78 57 69 6e 64 6f | 77 3a 3a 57 69 6e 64 6f | (xWindo|w::Windo|
|00005840| 77 32 58 57 69 6e 64 6f | 77 28 28 57 69 6e 64 6f |w2XWindo|w((Windo|
|00005850| 77 50 74 72 29 67 45 76 | 65 6e 74 2e 6d 65 73 73 |wPtr)gEv|ent.mess|
|00005860| 61 67 65 2c 26 77 69 6e | 29 29 0d 20 20 20 20 20 |age,&win|)).     |
|00005870| 20 20 20 20 20 20 20 20 | 20 20 20 77 69 6e 2d 3e |        |   win->|
|00005880| 00 00 01 2e 00 0c 00 00 | 54 00 00 00 54 08 09 41 |........|T...T..A|
|00005890| 62 6f 75 74 42 6f 78 00 | 00 00 52 8d 00 00 52 9c |boutBox.|..R...R.|
|000058a0| 0f 41 70 70 6c 69 63 61 | 74 69 6f 6e 49 64 6c 65 |.Applica|tionIdle|
|000058b0| 00 00 27 13 00 00 27 21 | 0f 63 6c 61 73 73 20 6d |..'...'!|.class m|
|000058c0| 79 57 69 6e 64 6f 77 00 | 00 00 55 89 00 00 55 95 |yWindow.|..U...U.|
|000058d0| 0d 44 6f 4e 65 77 43 6f | 6d 6d 61 6e 64 00 00 00 |.DoNewCo|mmand...|
|000058e0| 25 50 00 00 25 5a 0b 65 | 72 61 73 65 50 69 65 63 |%P..%Z.e|rasePiec|
|000058f0| 65 00 00 00 43 bc 00 00 | 43 d4 19 6d 79 57 69 6e |e...C...|C..myWin|
|00005900| 64 6f 77 3a 3a 64 6f 43 | 6f 6e 74 65 6e 74 43 6c |dow::doC|ontentCl|
|00005910| 69 63 6b 00 00 00 42 f4 | 00 00 43 03 0f 6d 79 57 |ick...B.|..C..myW|
|00005920| 69 6e 64 6f 77 3a 3a 64 | 6f 4b 65 79 00 00 49 44 |indow::d|oKey..ID|
|00005930| 00 00 49 56 13 6d 79 57 | 69 6e 64 6f 77 3a 3a 64 |..IV.myW|indow::d|
|00005940| 6f 52 65 64 72 61 77 00 | 00 00 40 6a 00 00 40 7e |oRedraw.|..@j..@~|
|00005950| 15 6d 79 57 69 6e 64 6f | 77 3a 3a 4f 70 65 6e 49 |.myWindo|w::OpenI|
|00005960| 6e 52 65 63 74 00 00 00 | 31 b1 00 00 31 c4 13 6d |nRect...|1...1..m|
|00005970| 79 57 69 6e 64 6f 77 3a | 3a 70 6c 61 79 50 69 65 |yWindow:|:playPie|
|00005980| 63 65 00 00 3c 22 00 00 | 3c 37 15 6d 79 57 69 6e |ce..<"..|<7.myWin|
|00005990| 64 6f 77 3a 3a 53 65 74 | 44 65 66 61 75 6c 74 73 |dow::Set|Defaults|
|000059a0| 00 00 21 27 00 00 21 2f | 09 70 75 74 50 69 65 63 |..!'..!/|.putPiec|
|000059b0| 65 00 00 00 01 00 00 00 | 02 32 00 00 01 32 00 00 |e.......|.2...2..|
|000059c0| 00 32 00 68 ac 9c 05 26 | 00 00 00 1c 00 32 00 00 |.2.h...&|.....2..|
|000059d0| 4d 50 53 52 00 00 00 0a | 03 ef ff ff 00 00 00 00 |MPSR....|........|
|000059e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+