代码

#include <bits/stdc++.h>

using namespace std;

void sort(uint* a, int n) {
    uint* b = (uint*)malloc(n * 4 * 2);
    uint* c = b + n;
    memcpy(a, b, n * sizeof(uint));
    memcpy(a, c, n * sizeof(uint));
}

评测结果