From f9535fac720c4331df5b42a92fa77e8e66b21135 Mon Sep 17 00:00:00 2001 From: youngyangyang04 <826123027@qq.com> Date: Fri, 14 May 2021 15:37:50 +0800 Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=B8=BB=E5=87=BD=E6=95=B0?= =?UTF-8?q?=E7=B2=BE=E7=AE=80=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0151.翻转字符串里的单词.md | 21 +++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/problems/0151.翻转字符串里的单词.md b/problems/0151.翻转字符串里的单词.md index e975ef53..1c567f84 100644 --- a/problems/0151.翻转字符串里的单词.md +++ b/problems/0151.翻转字符串里的单词.md @@ -141,7 +141,8 @@ void reverse(string& s, int start, int end) { -``` +```C++ +// 版本一 class Solution { public: // 反转字符串s中左闭又闭的区间[start, end] @@ -219,6 +220,24 @@ public: }; ``` +当然这里的主函数reverseWords写的有一些冗余的,可以精简一些,精简之后的主函数为: + +```C++ +// 注意这里仅仅是主函数,其他函数和版本一一致 +string reverseWords(string s) { + removeExtraSpaces(s); + reverse(s, 0, s.size() - 1); + for(int i = 0; i < s.size(); i++) { + int j = i; + // 查找单词间的空格,翻转单词 + while(j < s.size() && s[j] != ' ') j++; + reverse(s, i, j - 1); + i = j; + } + return s; +} +``` +