leetcode 557. Reverse Words in a String III
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题目:
挺简单的,先用“ ”将每个单词分开,然后对每个分开的单词反转(利用reverse函数),把每个反转后的加到新的字符串上。最后别忘记每个单词间隔有个空格。
代码如下:
#include <algorithm> #include<string>class Solution {public: string reverseWords(string s) { string ex=""; string re=""; for (int i = 0; i<=s.size(); ++i) { if (s[i] == ' '||(i==s.size())) { reverse(ex.begin(), ex.end()); re += ex; re += " "; ex = ""; } else ex += s[i]; } re=re.substr(0,re.size()-1); return re; }};
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