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Group Anagrams

MediumP1Coding

Given an array of strings strs, group the strings that are anagrams of each other. Return the groups in any order, and the strings inside a group in any order.

Example 1

Input
strs = ["eat","tea","tan","ate","nat","bat"]
Output
[["bat"],["nat","tan"],["ate","eat","tea"]]
Why
Group order and order inside groups do not matter.

Example 2

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

Example 3

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

Constraints

  • 1 <= strs.length <= 10^4
  • 0 <= strs[i].length <= 100
  • strs[i] has lower-case English letters only.

Hints

Run checks the 3 visible tests, Submit all 8.