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  1. #include <stdio.h>
  2. int count;
  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.  	count++;
  11.  int tmp = *x;
  12.  
  13.  *x = *y;
  14.  *y = tmp;
  15.  }
  16.  
  17.  int main(void)
  18.  {
  19.  int a[] = {3, 1, 4, 1, 5, 9, 2, 6, 5}; // array to be sorted
  20.  size_t n = sizeof a / sizeof a[0]; // number of elements
  21.  
  22.  for (size_t i =0; i <n -1; ++i) {
  23.  for (size_t j = 0; j < n - 1 - i; ++j) {
  24.  if (cmp( a[j], a[j+1] )) {
  25.  swap( &a[j], &a[j+1] );
  26.  }
  27.  }
  28.  }
  29.  
  30.  
  31.  
  32.  for (size_t i = 0; i < n; ++i) {
  33.  printf("%d ", a[i]);
  34.  }
  35.  printf("\n");
  36. printf("%d",count);
  37.  return 0;
  38.  }
  39.  
  40.  
Success #stdin #stdout 0s 5344KB
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https://ideone.com/XfLyJJ
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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