代码

#include <bits/stdc++.h>

#define MAXN 100001

unsigned a[MAXN];

int main() {
	fread(a, 1, MAXN * 4, stdin);
	int n = a[0];
	std::sort(a+1,a+n+1);
	// Rearrange the ducks a[1] .. a[n] here
	
	fwrite(a + 1, 1, n * 4, stdout);
	return 0;
}

评测结果