python可重集合操作 class Solution(object): def commonChars(self, A): """ :type A: List[str] :rtype: List[str] """ if not A: return [] from collections import Counter ans=Counter(A[0]) for str in A: ans&=Counter(str) ans=list(an…
package y2019.Algorithm.array; import java.util.*; /** * @ProjectName: cutter-point * @Package: y2019.Algorithm.array * @ClassName: CommonChars * @Author: xiaof * @Description: 1002. Find Common Characters * Given an array A of strings made only from…
Given an array A of strings made only from lowercase letters, return a list of all characters that show up in all strings within the list (including duplicates). For example, if a character occurs 3 times in all strings but not 4 times, you need to…
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 字典 日期 题目地址:https://leetcode.com/problems/find-common-characters/ 题目描述 Given an array A of strings made only from lowercase letters, return a list of all characters that show up…
题目如下: Given an array A of strings made only from lowercase letters, return a list of all characters that show up in all strings within the list (including duplicates). For example, if a character occurs 3 times in all strings but not 4 times, you ne…
