题目地址:https://leetcode.com/problems/most-common-word/description/ 题目描述 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 un...
首先将输入句子拆分成单词,在这个过程中将所有大写字母变换成小写字母,将每一个单词作为一个字符串放入一个 map<string,int> 容器中,最后遍历容器,查找出现次数最多且没有在banned中出现的字符串。 3、代码 1stringmostCommonWord(stringparagraph, vector<string>&banned) {234map<string,int>m;5for(string::ite...
Most Common Word // https://leetcode.com/problems/most-common-word/ // Runtime: 4 ms, faster than 98.44% of C++ online submissions for Most Common Word. // Memory Usage: 8.1 MB, less than 5.60% of C++ online submissions for Most Common Word. class Solution { public: string most...
819. Most Common Word solution: class Solution { public: string mostCommonWord(string paragraph, vector<string>& banned) { unordered_map<string, int> m; string word = ""; for(int i=0; i<paragraph.size(); ) { string word = ""; while(i<paragraph.size() && isalpha(p...
819. Most Common Word* 819. Most Common Word* https://leetcode.com/problems/most-common-word/ 题目描述 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 ...
如果刷Leetcode一时不知从哪里下手,可以从Leetcode Explore为指引开始:) Problems IDProblemOfficialSolutionC++JavaPython 001 Two Sum solution C++ Java 002 Add Two Numbers solution C++ 003 Longest-Substring-Without-Repeating-Characters solution C++ Java 007 Reverse Integer solution C++ 011 Container ...
819. Most Common Word .split().replaceAll("\W+", " ").split("\s+");.poll() 不能随便写, 每次都会运行的!
LeetCode Explore题解代码仓:Play Leetcode Explore (注:以C++实现为主) Leetcode Explore 是Leetcode 在2017年底上线的新模块,分门别类地整理了Leetcode上的问题。如果刷Leetcode一时不知从哪里下手,可以从Leetcode Explore为指引开始:) Problems IDProblemOfficialSolutionC++JavaPython 001 Two Sum solution C++ ...
classSolution {publicString mostCommonWord(String paragraph, String[] banned) {if(paragraph ==null||paragraph.length()==0){return""; } String[] res= paragraph.toLowerCase().split("[ !?',;.]+");//very important.intmax = -1;
今天介绍的是LeetCode算法题中Easy级别的第190题(顺位题号是819)。给定一个段落和一组禁止词,返回不在禁止词列表中的最常用词。段落中保证至少有一个词没有被禁止,并且答案是独一无二的。禁用单词列表中的单词以小写字母给出,没有标点符号。段落中的单词不区分大小写。答案是小写的。例如: ...