classSolution {publicString longestCommonPrefix(String[] strs) {if(strs.length == 0)return"";intminlen =Integer.MAX_VALUE;for(String str : strs) minlen=Math.min(minlen, str.length());intlow = 1;//这里指第一个字符串inthigh =minlen;while(low <=high){intmid = (low+high)/2;if(is...
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...
Write a function to find the longest common prefix string amongst an array of strings.1 public class Solution { 2 public String longestCommonPrefix(String[] strs) { 3 if(strs == null || strs.length == 0) return ""; 4 String ans = strs[0...
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”] Output: “fl” Example 2: Input: [“dog”,“r...
代码1 indexOf 如果返回的不是0 就减小prefix长度 Runtime: 0 ms, faster than 100.00% of Java online submissions for Longest Common Prefix. classSolution{publicStringlongestCommonPrefix(String[]strs){if(strs==null||strs.length==0)return"";Stringpre=strs[0];inti=1;while(i<strs.length){whi...
classSolution(object):deflongestCommonPrefix(self,strs):""":type strs:List[str]:rtype:str"""ifnot strs:return""foriinrange(len(strs[0])):forstringinstrs[1:]:# flow,flightifi>=len(string)or string[i]!=strs[0][i]:returnstrs[0][:i]returnstrs[0]...
java: 代码语言:javascript 复制 classSolution{publicStringlongestCommonPrefix(String[]strs){if(strs==null||strs.length==0)return"";String prefix=strs[0];for(int i=1;i<strs.length;i++){while(strs[i].indexOf(prefix)!=0){prefix=prefix.substring(0,prefix.length()-1);if(prefix.isEmpt...
Aug 21, 2024 +46−7 Conversation0Commits1Checks0Files changed2 Owner jizzelcommentedAug 21, 2024 jizzelmerged commit5b2dab8intomainAug 21, 2024 jizzeldeleted theday7-java/0branchAugust 21, 2024 22:18 Sign up for freeto join this conversation on GitHub. Already have an account?Sign in ...
impl Solution { pub fn longest_common_prefix(strs: Vec<String>) -> String { if strs.len() == 0 { return "".to_string(); } if strs.len() == 1 { return strs[0].clone(); } if strs[0].len() == 0 { return "".to_string(); } let mut common = String::new(); le...
Java: classSolution{publicStringlongestWord(String[]words){Arrays.sort(words);Stringresult="";Set<String>set=newHashSet<>(words.length);for(Stringword:words){if(word.length()==1||set.contains(word.substring(0,word.length()-1))){result=word.length()>result.length()?word:result;set.add(...