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Codeforces Round #681 (Div. 2, based on VK Cup 2019-2020 - Final)

waryan 2021-01-28 17:44 阅读:89 评论:1 推荐:0

NC15079容斥原理

waryan 2020-07-18 17:58 阅读:89 评论:0 推荐:0

Educational Codeforces Round 101 (Rated for Div. 2)C. Building a Fence(思维+区间处理)

waryan 2021-01-18 20:55 阅读:88 评论:0 推荐:0

Codeforces Round #693 (Div. 3)G. Moving to the Capital(dfs)

waryan 2021-01-18 20:30 阅读:87 评论:0 推荐:0

gcd综合

waryan 2020-01-12 11:50 阅读:87 评论:0 推荐:0