题目标签:HashMap 题目给了我们一个array 的 root, 让我们把sentence 里面得每一个word 去掉它得 successor. 把每一个root 存入hash set,然后遍历sentence 里面得每一个 word, 从index 1 开始遍历 如果有找到这个root,就把这个word 替换掉.具体看code. Java Solution: Runtime: 158 ms, faster than 25.65% Memory Usage: 50.3 MB, less th…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 set 字典 前缀树 日期 题目地址:https://leetcode.com/problems/replace-words/description/ 题目描述 In English, we have a concept called root, which can be followed by some other words to form an…

Problem statement In English, we have a concept called root, which can be followed by some other words to form another longer word - let's call this word successor. For example, the root an, followed by other, which can form another word another. Now…

原题链接在这里:https://leetcode.com/problems/replace-the-substring-for-balanced-string/ 题目: You are given a string containing only 4 kinds of characters 'Q', 'W', 'E' and 'R'. A string is said to be balanced if each of its characters appears n/4 times where…

［抄题］: In English, we have a concept called root, which can be followed by some other words to form another longer word - let's call this word successor. For example, the root an, followed by other, which can form another word another. Now, given a di…

单词替换 在英语中,我们有一个叫做 词根(root)的概念,它可以跟着其他一些词组成另一个较长的单词--我们称这个词为 继承词(successor).例如,词根an,跟随着单词 other(其他),可以形成新的单词 another(另一个). 现在,给定一个由许多词根组成的词典和一个句子.你需要将句子中的所有继承词用词根替换掉.如果继承词有许多可以形成它的词根,则用最短的词根替换它. 你需要输出替换之后的句子. 示例 1: 输入: dict(词典) = ["cat", "ba…

In English, we have a concept called root, which can be followed by some other words to form another longer word - let's call this word successor. For example, the root an, followed by other, which can form another word another. Now, given a dictiona…

648. 单词替换 在英语中,我们有一个叫做 词根(root)的概念,它可以跟着其他一些词组成另一个较长的单词--我们称这个词为 继承词(successor).例如,词根an,跟随着单词 other(其他),可以形成新的单词 another(另一个). 现在,给定一个由许多词根组成的词典和一个句子.你需要将句子中的所有继承词用词根替换掉.如果继承词有许多可以形成它的词根,则用最短的词根替换它. 你需要输出替换之后的句子. 示例 1: 输入: dict(词典) = ["cat", &qu…

突然很想刷刷题,LeetCode是一个不错的选择,忽略了输入输出,更好的突出了算法,省去了不少时间. dalao们发现了任何错误,或是代码无法通过,或是有更好的解法,或是有任何疑问和建议的话,可以在对应的随笔下面评论区留言,我会及时处理,在此谢过了. 过程或许会很漫长,也很痛苦,慢慢来吧. 编号 题名 过题率 难度 1 Two Sum 0.376 Easy 2 Add Two Numbers 0.285 Medium 3 Longest Substring Without Repeating C…

645. Set Mismatch The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another nu…