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  1. #include <stdio.h>
  2. #include <stddef.h>
  3.  
  4. int cmp(int x, int y)
  5. {
  6.     return x > y;
  7. }
  8.  
  9. void swap(int *x, int *y)
  10. {
  11.     int tmp = *x;
  12.     *x = *y;
  13.     *y = tmp;
  14. }
  15.  
  16. int main(void)
  17. {
  18.     int a[] = {3, 1, 4, 1, 5, 9, 2, 6, 5};
  19.     size_t n = sizeof a / sizeof a[0];
  20.  
  21.     for (size_t i = 0; i < n - 1; ++i) {
  22.         for (size_t j = 0; j < n - 1 - i; ++j) {
  23.             if (cmp(a[j], a[j + 1])) {
  24.                 swap(&a[j], &a[j + 1]);
  25.             }
  26.         }
  27.     }
  28.  
  29.     for (size_t i = 0; i < n; ++i) {
  30.         printf("%d ", a[i]);
  31.     }
  32.  
  33.     printf("\n");
  34.  
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 5336KB
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https://ideone.com/ydvbim
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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