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Grokking the Coding Interview Patterns in Python

Solution: Find All Anagrams in a String

Explore how to identify all anagrams of one string within another by using a sliding window and hash maps. This lesson helps you understand efficient character counting techniques to solve anagram problems, crucial for coding interview success.

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Statement

Given two strings, a and b, return an array of all the start indexes of anagrams of b in a. We may return the answer in any order.

An anagram is a word or phrase created by rearranging the letters of another word or phrase while utilizing each of the original letters exactly once. For example, “act” is the anagram of “cat”, and “flow” is the anagram of “wolf”.

Constraints:

  • 1≤1\leq a.length, b.length ≤103\leq 10^3
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