leetcode 564. Find the Closest Palindrome

好久沒寫過題解了，最近爲了準備省賽仍是刷刷題，最近在準備保研夏令營的事情，但願一切順利吧函數 題目： rest Given an integer n, find the closest integer (not including itself), which is a palindrome. code The 'closest' is defined as absolute difference

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