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Problem

Given an array of strings strs, group the anagrams together. You can return the answer in any order.

An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once.

Example 1:

Input: strs = ["eat", "tea", "tan", "ate", "nat", "bat"]
Output: [["bat"], ["nat", "tan"], ["ate", "eat", "tea"]]

Example 2:

Input: strs = [""]
Output: [[""]]

Example 3:

Input: strs = ["a"]
Output: [["a"]]

Constraints:

  • 1 <= s t r s . l e n g t h <= 10 4
  • 0 <= s t r s [ i ] . l e n g t h <= 100
  • s t r s [ i ] consists of lowercase English letters.

Solutions

ID METHOD LINK
1 example link