524. 通过删除字母匹配到字典里最长单词 给定一个字符串和一个字符串字典,找到字典里面最长的字符串,该字符串可以通过删除给定字符串的某些字符来得到.如果答案不止一个,返回长度最长且字典顺序最小的字符串.如果答案不存在,则返回空字符串. 示例 1: 输入: s = "abpcplea", d = ["ale","apple","monkey","plea"] 输出: "apple" 示例…
1. 具体题目 给定一个字符串和一个字符串字典,找到字典里面最长的字符串,该字符串可以通过删除给定字符串的某些字符来得到.如果答案不止一个,返回长度最长且字典顺序最小的字符串.如果答案不存在,则返回空字符串. 示例 1: 输入: s = "abpcplea", d = ["ale","apple","monkey","plea"] 输出:  "apple" 2. 思路分析 遍历字符串数组…
题目描述 给定一个字符串和一个字符串字典,找到字典里面最长的字符串,该字符串可以通过删除给定字符串的某些字符来得到.如果答案不止一个,返回长度最长且字典顺序最小的字符串.如果答案不存在,则返回空字符串. 示例 1: 输入: s = "abpcplea", d = ["ale","apple","monkey","plea"] 输出: "apple" 示例 2: 输入: s = "…
Given a string and a string dictionary, find the longest string in the dictionary that can be formed by deleting some characters of the given string. If there are more than one possible results, return the longest word with the smallest lexicographic…
一.题目大意 https://leetcode.cn/problems/longest-word-in-dictionary-through-deleting 给你一个字符串 s 和一个字符串数组 dictionary ,找出并返回 dictionary 中最长的字符串,该字符串可以通过删除 s 中的某些字符得到. 如果答案不止一个,返回长度最长且字母序最小的字符串.如果答案不存在,则返回空字符串. 示例 1: 输入:s = "abpcplea", dictionary = [&quo…
Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other words in words. If there is more than one possible answer, return the longest word with the smallest l…
这道题相似  Word Break 推断能否把字符串拆分为字典里的单词 @LeetCode 只不过要求计算的并不不过能否拆分,而是要求出全部的拆分方案. 因此用递归. 可是直接递归做会超时,原因是LeetCode里有几个非常长可是无法拆分的情况.所以就先跑一遍Word Break,先推断能否拆分.然后再进行拆分. 递归思路就是,逐一尝试字典里的每个单词,看看哪一个单词和S的开头部分匹配,假设匹配则递归处理S的除了开头部分,直到S为空.说明能够匹配. Given a string s and a…
Given a string and a string dictionary, find the longest string in the dictionary that can be formed by deleting some characters of the given string. If there are more than one possible results, return the longest word with the smallest lexicographic…
Implement regular expression matching with support for '.' and '*'. '.' Matches any single character. '*' Matches zero or more of the preceding element. The matching should cover the entire input string (not partial). The function prototype should be…
Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other words in words. If there is more than one possible answer, return the longest word with the smallest l…