344. Reverse String /** * @param {string} s * @return {string} */ var reverseString = function(s) { return s.split("").reverse().join(""); }; 292. Nim Game 尼姆游戏还是很有意思的,这题有很多地方可以深入理解 /** * @param {number} n * @return {boolean} */ var ca…

原题地址: 344 Reverse String: https://leetcode.com/problems/reverse-string/description/ 541 Reverse String II: https://leetcode.com/problems/reverse-string-ii/description/ 题目&&解法: 1.Reverse String: Write a function that takes a string as input and ret…

344. Reverse String[easy] Write a function that takes a string as input and returns the string reversed. Example:Given s = "hello", return "olleh". 解法一: class Solution { public: string reverseString(string s) { , end = s.length() - ; w…

题目描述 编写一个函数,其作用是将输入的字符串反转过来. 示例 1: 输入: "hello" 输出: "olleh" 示例 2: 输入: "A man, a plan, a canal: Panama" 输出: "amanaP :lanac a ,nalp a ,nam A" 思路 思路一: 逆序拼接字符串 思路二: 依次交换两边的值 思路三: 直接调用StringBuilder 的 reverse() 思路四: 用栈来实现反…

344. Reverse String 最基础的旋转字符串 class Solution { public: void reverseString(vector<char>& s) { if(s.empty()) return; ; ; while(start < end){ char tmp = s[end]; s[end] = s[start]; s[start] = tmp; start++; end--; } return; } }; 541. Reverse Strin…

problem 344. Reverse String solution: class Solution { public: void reverseString(vector<char>& s) { vector<'); ; i>=; i--) { temp[i] = s[s.size()-i-]; } ; i<s.size(); i++) { s[i] = temp[i]; } } }; solution2: class Solution { public: vo…

344. Reverse String Write a function that takes a string as input and returns the string reversed. Example: Given s = "hello", return "olleh". 题目大意: 字符串倒置. 解题方法: 第一个字符与最后一个非空字符对换. 注意事项: 1.字符串最后一个字符是空字符. C++代码: 1.不良代码: class Solution {…

Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. You may assume all the…

题意:反转字符串,用好库函数. class Solution { public: string reverseString(string s) { reverse(s.begin(),s.end()); return s; } };…

Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. You may assume all the…