[LeetCode] Most Common Word 最常见的单词

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[LeetCode] Most Common Word 最常见的单词

Given a paragraph and a list of banned words, return the most frequent word that is not in the list of banned words. It is guaranteed there is at least one word that isn't banned, and that the answer is unique. Words in the list of banned words are…

LeetCode 819. Most Common Word (最常见的单词)

Given a paragraph and a list of banned words, return the most frequent word that is not in the list of banned words. It is guaranteed there is at least one word that isn't banned, and that the answer is unique. Words in the list of banned words are…

Leetcode819.Most Common Word最常见的单词

给定一个段落 (paragraph) 和一个禁用单词列表 (banned).返回出现次数最多,同时不在禁用列表中的单词.题目保证至少有一个词不在禁用列表中,而且答案唯一. 禁用列表中的单词用小写字母表示,不含标点符号.段落中的单词不区分大小写.答案都是小写字母. 示例: 输入: paragraph = "Bob hit a ball, the hit BALL flew far after it was hit." banned = ["hit"] 输出: &quo…

[LeetCode] 244. Shortest Word Distance II 最短单词距离 II

This is a follow up of Shortest Word Distance. The only difference is now you are given the list of words and your method will be called repeatedly many times with different parameters. How would you optimize it? Design a class which receives a list…

[LeetCode] 245. Shortest Word Distance III 最短单词距离 III

This is a follow up of Shortest Word Distance. The only difference is now word1 could be the same as word2. Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. word1 and word2 may be…

[LeetCode] Shortest Completing Word 最短完整的单词

Find the minimum length word from a given dictionary words, which has all the letters from the string licensePlate. Such a word is said to complete the given string licensePlate Here, for letters we ignore case. For example, "P" on the licensePl…

[leetcode]244. Shortest Word Distance II最短单词距离(允许连环call)

Design a class which receives a list of words in the constructor, and implements a method that takes two words word1 and word2 and return the shortest distance between these two words in the list. Your method will be called repeatedly many times with…