- LeetCodeleetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string/description/ 解题思路 二重循环,没什么特别的 class Solution { public: int strStr(string haystack, string needle) { int index = 0; bool flag = true; for(int i = 0; i < haystack.size(); i++) { ...
classSolution{public:intstrStr(string haystack, string needle){/* find the first needle in haystack */intret =-1, pos =0;intneedle_len = needle.size();//bool sign = false;for(inti =0; i < haystack.size(); ++i){if(haystack[i] == needle[pos]){if(pos == needle_len -1)return...
Given two stringsneedleandhaystack, return the index of the first occurrence ofneedleinhaystack, or-1ifneedleis not part ofhaystack. implSolution{pubfnstr_str(haystack:String,needle:String)->i32{lethlen=haystack.len();letnlen=needle.len();ifhlen<nlen{return-1;}foriin0..=(hlen-nlen){if&...
Return the index of the first occurrence of needle in haystack, or-1ifneedleis not part ofhaystack. Clarification: What should we return whenneedleis an empty string? This is a great question to ask during an interview. For the purpose of this problem, we will return 0 whenneedleis an e...
28. Find the Index of the First Occurrence in a String Easy Topics Companies Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Input: haystack = "sadbutsad", needle = "sad" Out...
@@ -74,4 +74,38 @@ public static int lengthOfLastWord(String s) { }/** * <h4></><a href="https://leetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string/">Find the Index of the First Occurrence in a String</a></h4> ...
Find the Index of the First Occurrence in a String 在字符串中找到目标字符第一次出现的索引 Kyle 计算机,暂时的神。解决方案 class Solution { public int strStr(String haystack, String needle) { int hayIndex = 0; int neeIndex = 0; boolean ing = false; if (haystack.length()<needle.length(...
[LeetCode] 28. Find the Index of the First Occurrence in a String 找出字符串中第一个匹配项的下标 Given two stringsneedleandhaystack, return the index of the first occurrence ofneedleinhaystack, or-1ifneedleis not part ofhaystack. Example 1:...