Watch tutorials and explanations by expert teachers that walk through solving this problem.
Timothy H Chang
CodingNinja
Algorithms Casts
Anand Pandey
Algorithms Made Easy
Jeevan Kumar - Crackify
John Leonardo
Lit Code
King of Interviews
Solve more problems to master this pattern
![LEETCODE : PERMUTATION IN STRING [EXPLANATION + CODE WALK]](https://i.ytimg.com/vi/MPtX8pGYHCs/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLAwt74uFK0OhV6sPQjDsYlrN3LZZA)
![Permutation in String | Day 18 | [May LeetCoding Challenge] [Leetcode 567] [2020]](https://i.ytimg.com/vi/J9YInpe4Ofc/hq720.jpg?sqp=-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE=&rs=AOn4CLB2xDw83V7zz6vLDlH7ub_tsvRvUQ)
