413: Quick Sort

解法：

#include <bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int  a[N];
int n;int main(int argc, char** argv) {cin>>n;for (int i=0;i<n;i++) cin>>a[i];sort(a,a+n);for (int i=0;i<n;i++) cout<<a[i]<<" ";cout<<endl;return 0;
}