#include <stdio.h>
int cmp(int x, int y)
{
return x > y;
}
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};
size_t n = sizeof a / sizeof a[0];
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) {
}
return 0;
}
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