LeetCode第58题：最后一个单词的长度
题目 给定一个仅包含大小写字母和空格 ' ' 的字符串，返回其最后一个单词的长度。如果不存在最后一个单词，请返回 0 。 说明: 一个单词是指由字母组成，但不包含任何空格的字符串。 示例：输入: "Hello World"输出: 5 代码 class Solution: def lengthOfLastWord(self, s: str) -> int: ...
LeetCode 557：反转字符串中的单词 III Reverse Words in a String III
公众号：爱写bug（ID：icodebugs） 给定一个字符串，你需要反转字符串中每个单词的字符顺序，同时仍保留空格和单词的初始顺序。 Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and in....
LeetCode 151：给定一个字符串，逐个翻转字符串中的每个单词 Reverse Words in a String
公众号：爱写bug（ID：icodebugs） 翻转字符串里的单词 Given an input string, reverse the string word by word. 示例 1： 输入: "the sky is blue" 输出: "blue is sky the" 示例 2： 输入: " hello world! " 输出: "world! hello" 解释: 输入字符串可以...
leetcode算法题解(Java版)-16-动态规划(单词包含问题)
一、递归 题目描述 Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the same value. 思路 碰到....
[LeetCode] Maximum Product of Word Lengths 单词长度的最大积
Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assume that each word will contain only ...
[LeetCode] Shortest Word Distance 最短单词距离
Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. For example, Assume that words = ["practice", "makes", "perfe...
[LeetCode] Unique Word Abbreviation 独特的单词缩写
An abbreviation of a word follows the form <first letter><number><last letter>. Below are some examples of word abbreviations: a) it --> it (no abbreviati...
[LeetCode] Word Frequency 单词频率
Write a bash script to calculate the frequency of each word in a text file words.txt. For simplicity sake, you may assume: words.txt contains only lowercase characters and space ' '&nbs...
[LeetCode] Valid Word Square 验证单词平方
Given a sequence of words, check whether it forms a valid word square. A sequence of words forms a valid word square if the kth row and column read the exact same string, where 0 ≤k <...
[LeetCode] Length of Last Word 求末尾单词的长度
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word does not exist, return 0. Note:&nb...
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