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Grokking the Coding Interview Patterns in C++

Solution: Group Anagrams

Understand how to group anagrams from a list of strings by leveraging frequency mapping and hash maps. Explore both naive and optimized approaches to efficiently solve this problem using C++. This lesson helps you analyze time and space complexity to choose the best solution for anagrams in coding interviews.

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Statement

Given a list of words or phrases, group the words that are anagrams of each other. An anagram is a word or phrase formed from another word by rearranging its letters.

Constraints:

Let strs be the list of strings given as input to find the anagrams.

  • 1≤1 \leq strs.length ≤103\leq 10^3
  • 0≤0 \leq strs[i].length
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