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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.  void swap(int *x, int *y)
  8.  {
  9.  int tmp = *x;
  10.  
  11.  *x = *y;
  12.  *y = tmp;
  13.  }
  14.  
  15. int main(void)
  16. {
  17. int a[] = {3, 1, 4, 1, 5, 9, 2, 6, 5}; // array to be sorted
  18. size_t n = sizeof a / sizeof a[0]; // number of elements
  19.  
  20. for (size_t i = 0; i < n - 1; ++i) {
  21. for (size_t j = 0; j < n - 1 - i; ++j) {
  22. 	 if (cmp( a[j] ,  a[j+1])) {
  23. 		swap( &a[j] , &a[j+1] );
  24. 			}
  25. 		}
  26.  }
  27. 		for(size_t i=0;i<n;++i){
  28. 			printf("%d",a[i]);
  29. }
  30. 			return 0;
  31. }
Success #stdin #stdout 0s 5352KB
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https://ideone.com/wj2gzq
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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