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  1. #include <stdio.h>
  2.  
  3. #define SIZE 5
  4.  
  5. int stack[SIZE];
  6. int sp = 0;
  7.  
  8. void push(int x) {
  9.     if (sp < SIZE) {
  10.         stack[sp] = x;
  11.         sp++;
  12.     }
  13. }
  14.  
  15. int pop(void) {
  16.     if (sp > 0) {
  17.         sp--;
  18.         return stack[sp];
  19.     }
  20.     return -1;
  21. }
  22.  
  23. int main(void) {
  24.     int data[] = {11, 12, 13, 14, 15};
  25.     int n = 5;
  26.  
  27.     for (int i = 0; i < n; i++) {
  28.         push(data[i]);
  29.     }
  30.  
  31.     for (int i = 0; i < n; i++) {
  32.         data[i] = pop();
  33.     }
  34.  
  35.     for (int i = 0; i < n; i++) {
  36.         printf("%d ", data[i]);
  37.     }
  38.     printf("\n");
  39.  
  40.     return 0;
  41. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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Standard input is empty
stdout
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15 14 13 12 11
https://ideone.com/kWdE4p
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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