1#include <iostream>
2#include <string>
3#include <algorithm>
4
5void reverseWords(std::string &s) {
6    size_t start = 0, end;
7    while ((end = s.find(' ', start)) != std::string::npos) {
8        std::reverse(s.begin() + start, s.begin() + end);
9        start = end + 1;
10    }
11    std::reverse(s.begin() + start, s.end());
12}
13
14int main() {
15    std::string s = "Let's take LeetCode contest";
16    reverseWords(s);
17    std::cout << s << std::endl;
18    return 0;
19}

1#include