Grokking the Coding Interview: Patterns for Coding Questions
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My Solution ( because the posted solution is useless, AI can code better than this)

designgurus

Aug 19, 2025

class Solution: def longestPalindrome(self, s: str) -> int: charFreq = Counter(s) result = 0 for char in set(s): if charFreq[char] % 2 == 1: result += charFreq[char] - 1 else: result += charFreq[char] return result + 1 if (len(s) - result) >= 1 else result

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