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: There is ...
https://github.com/grandyang/leetcode/issues/14 参考资料: https://leetcode.com/problems/longest-common-prefix https://leetcode.com/problems/longest-common-prefix/discuss/6910/Java-code-with-13-lines https://leetcode.com/problems/longest-common-prefix/discuss/6940/Java-We-Love-Clear-Code! https...
classSolution{publicStringlongestCommonPrefix(String[]strs){if(strs.length==0)return"";returnlongestCommonPrefix(strs,0,strs.length-1);}privateStringlongestCommonPrefix(String[]strs,intl,intr){if(l==r)returnstrs[l];intmid=(l+r)/2;Stringleft=longestCommonPrefix(strs,l,mid);Stringright=l...
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:...
[LeetCode] 14. Longest Common Prefix 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"...
【Leetcode】Longest Common Prefix https://leetcode.com/problems/longest-common-prefix/ 题目: Write a function to find the longest common prefix string amongst an array of strings. 算法: 1. public String longestCommonPrefix(String[] strs) {...
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 ... 【LeetCode】14 - Longest Common Prefix Write a function to find the longest common prefix string amongst an array of strings. Solution: ...
LeetCode 14. Longest Common Prefix字典树 trie树 学习之 公共前缀字符串 所有字符串的公共前缀最长字符串 特点:(1)公共所有字符串前缀 (好像跟没说一样...) (2)在字典树中特点:任意从根节点触发遇见第一个分支为止的字符集合即为目标串 参考问题:https://lee ... hdu 1979 DFS + 字典树剪枝 http:...
题目 给定一个字符串数组, 找出数组中最长的前缀. 思路 对数组进行快速排序, 将最小的字符串作为基准, 和其他字符串比较, 每次讲基准字符串长度减1, 直到字符串长度为0...
Example 2: Input:["dog","racecar","car"]Output:""Explanation:Thereisno commonprefixamong the input strings. 解法 varlongestCommonPrefix=function(strs){if(strs.length===0)return'';returnstrs.reduce((result,s)=>{returnlongestInTwo(result,s);});};constlongestInTwo=(a,b)=>{letlong,sh...