Given two stringsneedleandhaystack, return the index of the first occurrence ofneedleinhaystack, or-1ifneedleis not part ofhaystack. 给定两个字符串 needle 和 haystack,返回 needle 在 haystack 中第一次出现的索引,如果 needle 不是 haystack 的一部分,则返回-1。 Input: haystack = "sadbutsad", ne...
Searches for the specified object and returns the index of its first occurrence in a one-dimensional array or in a range of elements in the array.
Given two stringsneedleandhaystack, return the index of the first occurrence ofneedleinhaystack, or-1ifneedleis not part ofhaystack. Example 1: Input:haystack = "sadbutsad", needle = "sad"Output:0Explanation:"sad" occurs at index 0 and 6. The first occurrence is at index 0, so we ret...
- 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++) { ...
string myString = "the"; int myIndex = myAL.IndexOf( myString ); Console.WriteLine( "The first occurrence of \"{0}\" is at index {1}.", myString, myIndex ); // Search for the first occurrence of the duplicated value in the last section of the ArrayList. myIndex = myAL.Index...
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.impl Solution { pub fn str_str(haystack: String, needle: String) -> i32 { let hlen = haystack.len(); let nle
first occurrence of the duplicated value.stringsearchString ="the";intindex = Array.IndexOf(strings, searchString); Console.WriteLine("The first occurrence of \"{0}\" is at index {1}.", searchString, index);// Search for the first occurrence of the duplicated value in the last section ...
LeetCode 28: Find the Index of the First Occurrence in a String 心路历程 一开始迅猛完成了一个版本,然后忽略了这种情况 "mississippi" "issip" 这样我会第一个在ssippi第二个在issip这样就找不到了 highlighter- C++ classSolution{public:intstrStr(string haystack, string needle){/* find the first ...
// Scala program to print the index of the// first occurrence of the given numberimportscala.collection.immutable._objectSample{// Main methoddefmain(args:Array[String]){varnums:Seq[Int]=Seq(10,20,30,20,56,67,78);varnum:Int=0;printf("Enter number: ");num=scala.io.StdIn.readInt();...
(self, haystack: str, needle: str) -> int: needle_len = len(needle) # status transfer function kmp = {0: {needle[0]: 1}} # kmp = {cur_status: {cur_char: next_status}} pre_status = 0 # backward status, init as 0 for status in range(1, needle_len): for l in needle: ...