《算法笔记》6.2小节——C++标准模板库(STL)介绍->set的常见用法详解 问题 A: Set Similarity

                                          问题 A: Set Similarity 题目描述 Given two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common number

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