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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. 	 int tmp = *x;
  10.  
  11.  	*x = *y;
  12.  	*y = tmp;
  13.  }
  14.  
  15.  int main(void) {
  16.  	int a[] = {3, 1, 4, 1, 5, 9, 2, 6, 5}; // array to be sorted
  17.  	size_t n = sizeof a / sizeof a[0]; // number of elements
  18.  
  19.  		for (size_t i = 0; i < n - 1; ++i) {
  20.  			for (size_t j = 0; j < n - 1 - i; ++j) {
  21.  				if (cmp(a[j],a[j+1])) {
  22.  					swap(&a[j],&a[j+1]);
  23. 				 }
  24.  			}
  25.  		}
  26.  
  27.  		for (size_t i = 0; i < n; ++i) {
  28.  			printf("%d ", a[i]);
  29.  		}
  30.  		printf("\n")	;
  31.  
  32. 		return 0;
  33.  }
Success #stdin #stdout 0s 5348KB
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Standard input is empty
stdout
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9 6 5 5 4 3 2 1 1
https://ideone.com/H2W7E6
language:
C99 (gcc 8.3)
created:
2 days ago
visibility:
public

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