LeetCode #: 49
Difficulty: Medium.
Topics: Hash Table, String.
Given an array of strings, group anagrams together.
Example:
Input: ["eat", "tea", "tan", "ate", "nat", "bat"],
Output:
[
["ate","eat","tea"],
["nat","tan"],
["bat"]
]
Note:
- All inputs will be in lowercase.
- The order of your output does not matter.