代码

#include <stdio.h>
#include <algorithm>
#include <functional>
#define MAXN 100001
unsigned a[MAXN];

int main() {
	fread(a, 1, MAXN<<2, stdin);
	int n = a[0];
	std::make_heap(a+1, a+1+n, std::greater<unsigned>());
	fwrite(a+1, 1, n<<2, stdout);
	return 0;
}

评测结果