网站地区词优化龙岗教育网官网

力扣题-11.22

[力扣刷题攻略] Re：从零开始的力扣刷题生活

力扣题1：541. 反转字符串 II

解题思想：进行遍历翻转即可

class Solution(object):def reverseStr(self, s, k):""":type s: str:type k: int:rtype: str"""t = list(s)for i in range(0, len(t), 2 * k):t[i: i + k] = reversed(t[i: i + k])return "".join(t)

class Solution {
public:string reverseStr(string s, int k) {int n = s.length();for (int i = 0; i < n; i += 2 * k) {reverse(s.begin() + i, s.begin() + min(i + k, n));}return s;}
};