ACM：ASCII码排序

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;

int main()
{
    int n = 0;
    cin >> n;
    for (int i = 0; i < n; ++i)                    //多次测试
    {
        string str;
        cin >> str;
        sort(str.begin(), str.end());
        str.insert(1, " ");                        //符合输出要求
        str.insert(3, " ");
        cout << str << endl;
    }
}