【Leetcode60天带刷】day08字符串——344.反转字符串, 541. 反转字符串II,剑指Offer 05.替换空格,151.翻转字符串里的单词
题目:344.反转字符串编写一个函数,其作用是将输入的字符串反转过来。输入字符串以字符数组s的形式给出。不要给另外的数组分配额外的空间,你必须原地修改输入数组、使用O(1)的额外空间解决这一问题。示例1:输入:s=["h","e","l","l","o"]输出:["o","l","l","e","h"]示例2:输入:s=["H","a","n","n","a","h"]输出:["h","a","n