版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm. Leetcode 557. 反转字符串中的单词 III - 题解 Leetcode 557. Reverse Words in a String III 在线提交: https://leetcode.com/problems/reverse-words-in-a-string-iii/description/ 题…
Given a string S, check if the letters can be rearranged so that two characters that are adjacent to each other are not the same. If possible, output any possible result. If not possible, return the empty string. Example 1: Input: S = "aab" Out…
Given a string S, check if the letters can be rearranged so that two characters that are adjacent to each other are not the same. If possible, output any possible result. If not possible, return the empty string. Example 1: Input: S = "aab" Out…
Given two non-negative numbers num1 and num2 represented as string, return the sum of num1 and num2. Note: The length of both num1 and num2 is < 5100. Both num1 and num2 contains only digits 0-9. Both num1 and num2 does not contain any leading zero.…
Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-negative. 这道题让我们求两个字符串数字的相乘,输入的两个数和返回的数都是以字符串格式储存的,这样做的原因可能是这样可以计算超大数相乘,可以不受int或long的数值范围的约束,那么我们该如何来计算…
Given an array of characters, compress it in-place. The length after compression must always be smaller than or equal to the original array. Every element of the array should be a character (not int) of length 1. After you are done modifying the inpu…
Given a string S, check if the letters can be rearranged so that two characters that are adjacent to each other are not the same. If possible, output any possible result. If not possible, return the empty string. Example 1: Input: S = "aab" Out…
1.题目描述 Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. Note: You may assume the string contain only…
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitted on a word: a) Insert a characterb) Delete a characterc) Replace…
1047. 删除字符串中的所有相邻重复项 1047. Remove All Adjacent Duplicates In String 题目描述 LeetCode1047. Remove All Adjacent Duplicates In String简单 Java 实现 import java.util.Stack; class Solution { public String removeDuplicates(String S) { if (S == null || S.length()…
给定两个字符串, A 和 B. A 的旋转操作就是将 A 最左边的字符移动到最右边. 例如, 若 A = 'abcde',在移动一次之后结果就是'bcdea' .如果在若干次旋转操作之后,A 能变成B,那么返回True. 示例 1:输入: A = 'abcde', B = 'cdeab'输出: true 示例 2:输入: A = 'abcde', B = 'abced'输出: false注意: A 和 B 长度不超过 100. 来源:力扣(LeetCode)链接:https://leetcode…
