extern void object::Solution( ) { object front, left, right; front = radar(Barrier, 0, 45, 0, 5); left = radar(Barrier, 90, 45, 0, 5); right = radar(Barrier, -90, 45, 0, 5); if ( front == null ) { move(5); return; } if ( left == null ) { turn(90); move(5); return; } if ( right == null ) { turn(-90); move(5); return; } }