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Crossword Expert CodeForces - 1194F (期望)

uid001 2019-07-15 11:37 阅读:307 评论:5 推荐:0

Intercity Travelling CodeForces - 1009E (组合计数)

uid001 2019-07-14 20:02 阅读:140 评论:0 推荐:0

Tokitsukaze and Strange Rectangle CodeForces - 1191F (树状数组,计数)

uid001 2019-07-14 12:46 阅读:203 评论:0 推荐:0

Tokitsukaze and Duel CodeForces - 1191E (博弈论)

uid001 2019-07-14 10:38 阅读:309 评论:0 推荐:0

Sonya and Bitwise OR CodeForces - 1004F (线段树,分治)

uid001 2019-07-12 21:04 阅读:257 评论:0 推荐:0