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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int Size = 10;
  5. int top = -1;
  6. int stack[Size];
  7.  
  8. void push(int value)
  9. {
  10.     if (top == Size - 1)
  11.     {
  12.         cout << "Stack Overflow\n";
  13.     }
  14.     else
  15.     {
  16.         stack[++top] = value;
  17.     }
  18. }
  19.  
  20. void display()
  21. {
  22.     if (top == -1)
  23.     {
  24.         cout << "Stack is Empty\n";
  25.         return;
  26.     }
  27.  
  28.     cout << "Stack Values Are:\n";
  29.  
  30.     for (int i = top; i >= 0; i--)
  31.     {
  32.         cout << stack[i] << endl;
  33.     }
  34. }
  35.  
  36. void pop()
  37. {
  38.     if (top == -1)
  39.     {
  40.         cout << "Stack is Empty\n";
  41.     }
  42.     else
  43.     {
  44.         cout << stack[top--] << endl;
  45.     }
  46. }
  47.  
  48. void peek()
  49. {
  50.     if (top == -1)
  51.     {
  52.         cout << "Stack is Empty\n";
  53.     }
  54.     else
  55.     {
  56.         cout << "Peek is = " << stack[top] << endl;
  57.     }
  58. }
  59.  
  60. int main()
  61. {
  62.     push(10);
  63.     push(20);
  64.     push(30);
  65.     push(40);
  66.  
  67.     display();
  68.  
  69.     pop();
  70.     pop();
  71.  
  72.     peek();
  73.  
  74.     pop();
  75.     pop();
  76.     pop();
  77. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
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Standard input is empty
stdout
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Stack Values Are:
40
30
20
10
40
30
Peek is = 20
20
10
Stack is Empty
https://ideone.com/wKB7QM
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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