classSolution {public:stringlongestCommonPrefix(vector<string>&strs) {if(strs.empty())return"";for(intj =0; j < strs[0].size(); ++j) {for(inti =0; i < strs.size(); ++i) {if(j >= strs[i].size() || strs[i][j] != strs[0][j]) {returnstrs[i].substr(0, j);...
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix,returnan empty string "". Example1: Input: ["flower","flow","flight"] Output:"fl"Example2: Input: ["dog","racecar","car"] Output:""Explanation: There is no common ...
费了不少劲写出代码后,发现leetcode上不能import package所以不能用 :< 题目: 编写一个函数来查找字符串数组中的最长公共前缀字符串。 如果没有公共前缀,则返回空字符串"" 示例1: 输入: strs = ["flower","flow","flight"] 输出: “fl” 示例2: 输入: strs = ["dog","racecar","car"] 输出:...
编写一个函数来查找字符串数组中的最长公共前缀。 如果不存在公共前缀,返回空字符串 ""。 示例 1: 输入:strs = ["flower","flow","flight"] 输出:"fl" 示例 2: 输入:strs = ["dog","racecar","car"] 输出:"" 解释:输入不存在公共前缀。  
LeetCode每日一题:14.longest-common-prefix(最长公共前缀),首先注意下前缀/后缀和子串的区别:"前缀"和"后缀":"前缀"指除了最后一个字符以外,一个字符串的全部头部组合;"后缀"指除了第一个字符以外,一个字符串的全部尾部组合。"子串":可以出现在一个字符串的任意位
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string “”. Example 1: Input: ["flower","flow","flight"] Output: "fl" 1. 2. Example 2:
LeetCode Link:https://leetcode.com/problems/longest-common-prefix/ Description: Write a function to find the longest common prefix string amongst an array of strings. 写一个函数找到一个String类型的数组中的最长公共前缀。 If there is no common prefix, return an empty string "". ...
题目描述 Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Example 1: Input: ["flower","flow","flight"] Output: "fl" Example 2: Input:["dog","racecar","car"]Output:""Explanation:Thereis...
每日一练之Longest Common Prefix【LeetCode No.14】——求字符串的最长公共前缀 题目:Write a function to find the longest common prefix string amongst an array of strings. 分析:只需用第一个字符串与后面的进行比较,最大长度不能大于第一个字符串的长度 class Solution { public: string longestCommonP...
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Note: All given inputs are in lowercase letters a-z. 中文题目: 编写一个函数来查找字符串数组中的最长公共前缀。 如果不存在公共前缀,返回空字符串...