[LeetCode] Find the Difference 尋找不同
letter at a random position. Find the letter that was a ...
原文：[LeetCode] Find Anagram Mappings 尋找異構映射
Given two listsAandB, andBis an anagram ofA.Bis an anagram ofAmeansBis made by randomizing the order of the elements inA. We want to find anindex mappingP, fromAtoB. A mappingP i jmeans theith elemen ...
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