【LeetCode】014. Longest Common Prefix

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【LeetCode】014. Longest Common Prefix

Write a function to find the longest common prefix string amongst an array of strings. 题解: 简单的暴力遍历解决 class Solution { public: string longestCommonPrefix(vector<string>& strs) { int n = strs.size(); || strs[].empty()) return ""; string…

【LeetCode】14. Longest Common Prefix 最长公共前缀

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 个人公众号:负雪明烛本文关键词:prefix, 公共前缀,题解,leetcode, 力扣,Python, C++, Java 目录题目描述题目大意解题方法遍历前缀子串使用set 遍历最短字符串排序日期题目地址:https://leetcode.com/problems/longest-common-prefix/description/ 题目描述 Write a fun…

【LeetCode】14. Longest Common Prefix 最长前缀子串

题目: Write a function to find the longest common prefix string amongst an array of strings. 思路:求最长前缀子串,假设第一个字符串是最长前缀子串,采用增强for得到数组中每个字符串,分别与第一个字符串的同一位置进行比较,有一个字符串在该位置不一致,就返回. public class Solution { public String longestCommonPrefix(String[] strs) { i…

【LeetCode】14 - Longest Common Prefix

Write a function to find the longest common prefix string amongst an array of strings. Solution: class Solution { public: string longestCommonPrefix(vector<string>& strs) { //runtime:4ms string str=""; if(strs.empty())return str; ; whi…

【LeetCode】14. Longest Common Prefix (2 solutions)

Longest Common Prefix Write a function to find the longest common prefix string amongst an array of strings. 解法一: 思路:设置一个位数记录器num,遍历所有字符串的第num位.如果都相同,则num++. 直到某字符串结束或者所有字符串的第num位不都相同,则返回[0~num-1]位,即最长公共前缀. class Solution { public: string longestComm…

【一天一道LeetCode】#14 Longest Common Prefix

一天一道LeetCode系列 (一)题目: Write a function to find the longest common prefix string amongst an array of strings. (二)题意求一组字符串中的最长前缀字符串. 举例:字符串组:abc,ab,abdef,abws 最长前缀字符串:ab 我的解法是先求出这组字符串中最短的,然后依次匹配,遇到不同的就退出. class Solution { public: string longestCommonP…

【leetcode】1143. Longest Common Subsequence

题目如下: Given two strings text1 and text2, return the length of their longest common subsequence. A subsequence of a string is a new string generated from the original string with some characters(can be none) deleted without changing the relative order…