acm-icpc南京赛区网络线段树-阿里云

[计蒜客] ACM-ICPC 2019 南京赛区网络预赛 | 部分题解 | 线段树 + 线性筛 + 最短路（下）

J. Nanjing Sum题目描述A square-free integer is an integer which is indivisible by any square number except 1. For example, 6 = 2·3 is square-free, but 12 ...

[计蒜客] ACM-ICPC 2018 南京赛区网络预赛 | 部分题解 | 线段树 + 线性筛 + 最短路（上）

E. AC Challenge题目描述Dlsj is competing in a contest with n (0 < n <= 20) problems. And he knows the answer of all of these problems.However, he ca...

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