LeetCode242. Valid Anagram

Given two strings s and t , write a function to determine if t is an anagram of s.

Example 1:

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Input: s = "anagram", t = "nagaram"
Output: true

Example 2:

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Input: s = "rat", t = "car"
Output: false

Note:
You may assume the string contains only lowercase alphabets.

Follow up:
What if the inputs contain unicode characters? How would you adapt your solution to such case?


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