javaLeetCode.primary; /** * 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 "". * */ public class LongestCommonPrefix_14 { public static...
class Solution { public String longestCommonPrefix(String[] strs) { //判断边界条件 if(strs==null||strs.length==0)return ""; String res=strs[0];//取第一个 for(int i=1;i<strs.length;i++){ while(strs[i].indexOf(res)!=0){ res=res.substring(0,res.length()-1); } } retu...
1publicString longestCommonPrefix(String[] strs) { 2if(strs.length == 0||strs ==null) 3return""; 4 5for(inti = 0; i<strs[0].length(); i++){ 6charx = strs[0].charAt(i); 7for(intj = 1; j<strs.length; j++){ 8if(strs[j].length() == i || strs[j].charAt(...
publicclassLongestCommonPrefix{publicStringlongestCommonPrefix(String[]strs){if(strs==null||strs.length==0){return"";}// 将第一个字符串作为初始前缀Stringprefix=strs[0];// 从第二个字符串开始与前缀进行比较for(inti=1;i<strs.length;i++){// 不断缩减前缀长度,直到找到公共前缀while(strs[i...
Longest Common Prefix之Java实现 一、题目 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”]...
public class Solution { public String longestCommonPrefix(String[] strs) { if (strs == null || strs.length == 0) { return ""; } // 假设第一个字符串是最长公共前缀的初始值 String prefix = strs[0]; // 遍历字符串数组 for (int i = 1; i < strs.length; i++) { // 如果当...
最长公共前缀 LCP(longest common prefix) Leetcode: 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 ""。 思路:先将字符串数组排序,在比较第一个字符串与最后一个字符串的公共前缀即可 eg:["abcddd","abbddd","abccc"] -> ["abbddd","abccc","abcddd"], ...
class Solution {public String longestCommonPrefix(String[] strs) {String s = strs[0];//令s为最短的字符串for(int i=0; i<strs.length; i++){if(strs[i].length() < s.length()){s = strs[i];}}for(int i=0; i<strs.length; i++){//判断第i个字符串的前缀是不是s,如果不是...
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