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🔥Valid Anagram: Frequency CounterEasy
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EasyArrays & Hashing•Acceptance: 63.2%

Valid Anagram: Frequency Counter

Targeted in FAANG & Tech OA:UberGoogleAmazon
Real-World Engineering Context
Employed in spell checkers, text comparison tools, and linguistic cryptanalysis engines.
Given two strings `s` and `t`, return `true` if `t` is an anagram of `s`, and `false` otherwise. 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.

Sample Test Cases

Input: ["anagram","nagaram"]
Expected: true
Input: ["rat","car"]
Expected: false
Input: ["a","ab"]
Expected: false

Constraints

  • 1 <= s.length, t.length <= 5 * 10^4
  • s and t consist of lowercase English letters.
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