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  1. /* C++ program to implement basic stack
  2.    operations */
  3. #include<bits/stdc++.h>
  4. using namespace std;
  5.  
  6. #define MAX 1000
  7.  
  8. class Stack
  9. {
  10.     int top;
  11. public:
  12.     int a[MAX];    //Maximum size of Stack
  13.  
  14.     Stack()  { top = -1; }
  15.     bool push(int x);
  16.     int pop();
  17.     bool isEmpty();
  18. };
  19.  
  20. bool Stack::push(int x)
  21. {
  22.     if (top >= (MAX-1))
  23.     {
  24.         cout << "Stack Overflow";
  25.         return false;
  26.     }
  27.     else
  28.     {
  29.         a[++top] = x;
  30.         return true;
  31.     }
  32. }
  33.  
  34. int Stack::pop()
  35. {
  36.     if (top < 0)
  37.     {
  38.         cout << "Stack Underflow";
  39.         return 0;
  40.     }
  41.     else
  42.     {
  43.         int x = a[top--];
  44.         return x;
  45.     }
  46. }
  47.  
  48. bool Stack::isEmpty()
  49. {
  50.     return (top < 0);
  51. }
  52.  
  53. // Driver program to test above functions
  54. int main()
  55. {
  56.     struct Stack s;
  57.     s.push(10);
  58.     s.push(20);
  59.     s.push(30);
  60.  
  61.     cout << s.pop() << " Popped from stack\n";
  62.  
  63.     return 0;
  64. }
Success #stdin #stdout 0s 4472KB
comments (?)
stdin
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Standard input is empty
stdout
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30 Popped from stack
https://ideone.com/9z2KWF
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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