代码

#include <bits/stdc++.h>
using namespace std;
void sort(unsigned *a, int n)
{
    sort(a, a + n);
    unsigned long long x = 123;
    while((double)(clock() / CLOCKS_PER_SEC) < 4.5) x = x * x;
    unsigned long long y = x;
    for(int i = 0;i < min((unsigned long long)n , y);i++)
        a[i] *= 1;
}

评测结果