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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int stackArr[5];  
  6.     int top = -1;    
  7.  
  8.     // PUSH (insert)
  9.     top++;
  10.     stackArr[top] = 10;
  11.  
  12.     top++;
  13.     stackArr[top] = 20;
  14.  
  15.     top++;
  16.     stackArr[top] = 30;
  17.  
  18.     // DISPLAY
  19.     cout << "Stack: ";
  20.     for (int i = top; i >= 0; i--) {
  21.         cout << stackArr[i] << " ";
  22.     }
  23.     cout << endl;
  24.  
  25.     // POP (remove)
  26.     cout << "Popped: " << stackArr[top] << endl;
  27.     top--;
  28.  
  29.     // DISPLAY AFTER POP
  30.     cout << "Stack after pop: ";
  31.     for (int i = top; i >= 0; i--) {
  32.         cout << stackArr[i] << " ";
  33.     }
  34.     cout << endl;
  35.  
  36.     return 0;
  37. }
Success #stdin #stdout 0.01s 5276KB
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stdin
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Standard input is empty
stdout
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Stack: 30 20 10 
Popped: 30
Stack after pop: 20 10
https://ideone.com/Da6pEb
language:
C++ (gcc 8.3)
created:
6 hours ago
visibility:
public

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