#include <stdio.h>

 int cmp(int x, int y) // compare x and y
{
return x > y; // 1 if x > y, 0 otherwise
 }
 void swap(int *x, int *y)
 {
 int tmp = *x;

 *x = *y;
 *y = tmp;
 }

int main(void)
{
int a[] = {3, 1, 4, 1, 5, 9, 2, 6, 5}; // array to be sorted
size_t n = sizeof a / sizeof a[0]; // number of elements

for (size_t i = 0; i < n - 1; ++i) {
for (size_t j = 0; j < n - 1 - i; ++j) {
	 if (cmp( a[j] ,  a[j+1])) {
		swap( &a[j] , &a[j+1] );
			}
		}
 }
		for(size_t i=0;i<n;++i){
			printf("%d",a[i]);
}
			return 0;
}