题解 | #倒置字符串#

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

int main() {
    string ret;
    getline(cin, ret);
    reverse(ret.begin(), ret.end());
    int i = 0;
    int cut = 0;
    int n = ret.size();
    while (i < n) {
        while (i<n&& ret[i] != ' ') {
            i++;
        }
        reverse(ret.begin()+cut, ret.begin()+i);
         while (i<n&& ret[i] == ' ') {
            i++;
        }
        cut=i;
    }

    cout << ret << endl;
    return 0;
}