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  1. #include <stdio.h>
  2.  
  3.  int cmp(int x, int y) // compare x and y
  4.  {
  5.  return x < y; // 1 if x > y, 0 otherwise
  6.  }
  7.  
  8. void swap(int *x, int *y)
  9.  {
  10.  
  11.  int tmp = *x;
  12.  
  13.  *x = *y;
  14.  *y = tmp;
  15.  
  16.  }
  17.  
  18.  int main(void)
  19.  {
  20.  int a[] = {3, 1, 4, 1, 5, 9, 2, 6, 5}; // array to be sorted
  21.  size_t n = sizeof a /sizeof a[0]; // number of elements
  22. int swap_count=0;
  23. int count2=0;
  24.  
  25.  for (size_t i = 0; i < n - 1; ++i) {
  26.  for (size_t j = 0; j < n - 1 - i; ++j) {
  27.  if (cmp( a[j] , a[j+1] )) {
  28.  swap(&a[j] ,&a[j+1] );
  29.  swap_count ++;
  30.  count2++;
  31.  }
  32.  }
  33.  if (count2==0)
  34.    break;
  35.  count2=0;
  36.  }
  37.  
  38.  
  39.  
  40.  for (size_t i = 0; i < n; ++i) {
  41.  printf("%d ", a[i]);
  42.  }
  43.  printf("\n");
  44. printf("%d",swap_count);
  45.  return 0;
  46.  }
Success #stdin #stdout 0s 5352KB
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stdin
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Standard input is empty
stdout
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9 6 5 5 4 3 2 1 1 
24
https://ideone.com/Cz8CZb
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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