LeetCodeOJ. Longest Common Prefix

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LeetCodeOJ. Longest Common Prefix

试题请參见: https://oj.leetcode.com/problems/longest-common-prefix/ 题目概述 Write a function to find the longest common prefix string amongst an array of strings. 解题思路这也是比較简单的算法提, 仅仅需比較比較数组中每一个字符串的第i位就可以, 直至不匹配为止. 记录此时i的值, 则为最长公共前缀. 源码 class Solution { publ…

LeetCodeOJ刷题之14【Longest Common Prefix】

Longest Common Prefix Write a function to find the longest common prefix string amongst an array of strings. 求字符串数组中字符串的最长公共前缀. String Solutions 1 Longest Common Prefix -- 11~13ms 第一个映入大脑的是对每一个字符串,按字符位逐个比较,直到发现不相同的或者是有个字符串已经比较完了时,说明最大公共前缀已经找到.则时间复杂度是…

[LeetCode] Longest Common Prefix 最长共同前缀

Write a function to find the longest common prefix string amongst an array of strings. 这道题让我们求一系列字符串的共同前缀,没有什么特别的技巧,无脑查找即可,我们定义两个变量i和j,其中i是遍历搜索字符串中的字符,j是遍历字符串集中的每个字符串.这里将单词上下排好,则相当于一个各行长度有可能不相等的二维数组,我们遍历顺序和一般的横向逐行遍历不同,而是采用纵向逐列遍历,在遍历的过程中,如果某一行没有了,说明其为…

【leetcode】Longest Common Prefix

题目简述: Write a function to find the longest common prefix string amongst an array of strings. 解题思路: class Solution: # @return a string def longestCommonPrefix(self, strs): if strs == []: return '' minl = 99999 for i in strs: if len(i) < minl: minl = l…

LintCode 78:Longest Common Prefix

public class Solution { /** * @param strs: A list of strings * @return: The longest common prefix */ public String longestCommonPrefix(String[] strs) { // write your code here if(strs.length == 0){ return ""; } String prefix = strs[0]; int i =…

[LintCode] Longest Common Prefix 最长共同前缀

Given k strings, find the longest common prefix (LCP). Have you met this question in a real interview? Example For strings "ABCD", "ABEF" and "ACEF", the LCP is "A" For strings "ABCDEFG", "ABCEFG&…

14. Longest Common Prefix

题目: Write a function to find the longest common prefix string amongst an array of strings. Subscribe to see which companies asked this question 代码: 上周出差北京一周,都没有做题,这两天继续开始,先从简单的入手. 这个题目一开始以为是找出字符串数组中最长的那个,那不很简单嘛,很快写完了,发现不对. 题目表达不是很清楚,或者是我英语不行,查了下,原来是找…