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Grokking the Coding Interview Patterns in Go

Solution: Find All Anagrams in a String

Explore how to identify all starting positions of anagrams of a given string within another string by applying sliding window and hash map techniques. Understand how to maintain character counts and compare them to detect anagrams while optimizing for time and space complexity.

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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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