most_common函数的参数设为1表示找出出现次数最多的词,返回的格式是[[“hit”,3]]。 class Solution: def mostCommonWord(self, paragraph, banned): """ :type paragraph: str :type banned: List[str] :rtype: str """ p = re.compile(r"[!?',;.]") sub_para = p.sub('', paragraph.lower...
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...
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 ...
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* 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 ...
class Solution { public String mostCommonWord(String paragraph, String[] banned) { paragraph += "."; Set<String> banset = new HashSet(); for (String word: banned) banset.add(word); Map<String, Integer> count = new HashMap(); ...
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;