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- // Borland C++ - (C) Copyright 1991 by Borland International
-
- // stack.cpp: Implementation of the Stack class
- // from Hands-on C++
- #include <iostream.h>
- #include "stack.h"
-
- int Stack::push(int elem)
- {
- int m = getmax();
- if (top < m)
- {
- put_elem(elem,top++);
- return 0;
- }
- else
- return -1;
- }
-
- int Stack::pop(int& elem)
- {
- if (top > 0)
- {
- get_elem(elem,--top);
- return 0;
- }
- else
- return -1;
- }
-
- void Stack::print()
- {
- int elem;
-
- for (int i = top-1; i >= 0; --i)
- { // Print in LIFO order
- get_elem(elem,i);
- cout << elem << "\n";
- }
- }
-