@@ -47,13 +47,8 @@ The first occurrence is at index 0, so we return 0.
4747class Solution :
4848def strStr (self haystack :str ,needle :str ) ->int :
4949for iin range (len (haystack)):
50- j= 0
51-
52- while i+ j< len (haystack)and haystack[i+ j]== needle[j]:
53- j+= 1
54-
55- if j== len (needle):
56- return i
50+ if haystack[i:i+ len (needle)]== needle:
51+ return i
5752
5853return - 1
5954```
@@ -62,14 +57,8 @@ class Solution:
6257``` javascript
6358var strStr = function (haystack ,needle ) {
6459for (let i= 0 ; i< haystack .length ; i++ ) {
65- let j= 0
66-
67- while (i+ j< haystack .length && haystack[i+ j]== needle[j]) {
68- j+= 1
69-
70- if (j== needle .length ) {
71- return i
72- }
60+ if (haystack .slice (i, i+ needle .length )== needle) {
61+ return i
7362 }
7463 }
7564
@@ -102,27 +91,7 @@ var strStr = function (haystack, needle) {
10291# Welcome to create a PR to complete the code of this language, thanks!
10392```
10493
105- ##C
106- ``` c
107- // Welcome to create a PR to complete the code of this language, thanks!
108- ```
109-
110- ##Kotlin
111- ``` kotlin
112- // Welcome to create a PR to complete the code of this language, thanks!
113- ```
114-
115- ##Swift
116- ``` swift
117- // Welcome to create a PR to complete the code of this language, thanks!
118- ```
119-
120- ##Rust
121- ``` rust
122- // Welcome to create a PR to complete the code of this language, thanks!
123- ```
124-
125- ##Other languages
94+ ##C, Kotlin, Swift, Rust or other languages
12695```
12796// Welcome to create a PR to complete the code of this language, thanks!
12897```