题解来喽！！！！（截至2023.8.26.17:09全场唯一AC）对不起，各位dalao，刚才多多失敬，立刻上代码！

(求dalao行行好，赏个赞吧)

题解严禁抄袭！！

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    string s,s1 = "";
    cin >> n;
    getchar();
    for (int i = 1;i <= n;i++)
    {
        getline(cin,s);
        for (int i = 0;i < s.size();i++)
        {
            if (s[i] == ' ')
            {
                for (int j = s1.size() - 1;j >= 0;j--)
                {
                    cout << s1[j];
                }
                s1 = "";
                cout << " ";
                continue;
            }
            s1 += s[i];
        }
        for (int j = s1.size() - 1;j >= 0;j--)
        {
            cout << s1[j];
        }
        s1 = "";
        cout << endl;
    }
}