题解 | #倒置字符串#

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

int main() {
    string str;
    getline(cin, str);
    reverse(str.begin(),str.end());
    int start = 0;
    for(int i = 0; i <= str.length(); i++){
        if(str[i] ==' ' || i == str.length()){
            reverse(str.begin() + start, str.begin() + i);
            start = i + 1;
        }
    }
    cout << str;
}
// 64 位输出请用 printf("%lld")