classSolution:# @param {string[]} strs# @return {string}deflongestCommonPrefix(self, strs):ifnotstrs:return''iflen(strs) ==1:returnstrs[0] i =0whilei+1<len(strs): temp =''forjinrange(min(len(strs[i]),len(strs[i+1]))):ifstrs[i][0] != strs[i+1][0]:return''if...
第三步:用first和数组第二个元素的共有前缀与数组第三个元素进行匹配查找,依次往后循环。 publicstaticStringlongestCommonPrefix2(String[] strs) {if(strs.length==0) {return""; }Stringfirst = strs[0];for(int i=1; i<strs.length; i++) {while(strs[i].indexOf(first) !=0) { first = ...
笔者中山大学研究生,医学生+计科学生的集合体,机器学习爱好者。 刷了挺久的LeetCode,有些题目的知识点重复出现,因此分享LeetCode部分经典题目的详细解析。 此处总结了【LeetCode 14 Longest Common Prefix——…
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...
【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) {...
Leetcode: Longest Common Prefix 题目: Write a function to find the longest common prefix string amongst an array of strings. 即求给定的一组字符串的公共前缀。 思路分析: 一个一个寻找前缀,先比较第一个和第二个,找到公共前缀,然后公共前缀和第三个比较,寻找公共前缀,以此类推。
14. Longest Common Prefix 题目: Write a function to find the longest common prefix string amongst an array of strings. Subscribe ... 【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...
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:...
public StringlongestCommonPrefix(String[]strs){if(strs==null||strs.length==0)return"";int minLen=Integer.MAX_VALUE;for(String str:strs)minLen=Math.min(minLen,str.length());int low=1;int high=minLen;while(low<=high){int middle=(low+high)/2;if(isCommonPrefix(strs,middle))low=middle...
Write a function to find the longest common prefix string amongst an array of strings. Solution1 用第一个元素作为基准,每个元素都与第一个元素的前半部分作compare 算法复杂度为O(n2) classSolution(object):deflongestCommonPrefix(self,strs):""" ...