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败犬专场... T1 莓良心 我打扮成你喜欢的样子来看你了,广,不,\(da,darling...\) 若 \(u,v\) 被分在同一组,则对答案有 \(w_{u}+w_{v}\) 的 ...

Sat Oct 30 02:52:00 CST 2021 12 114
codeforces educational round 76

A. Two Rival Students B. Magic Stick C. Dominated Subarray Description 给出一个序列串,求满足下述要求的最短子串序列。 ...

Fri Nov 15 02:17:00 CST 2019 0 311

 
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