我的随笔

uid001 2019-05-12 17:44 阅读:257 评论:0 推荐:0

Arkady and a Nobody-men CodeForces - 860E (虚树)

uid001 2019-05-12 10:55 阅读:206 评论:0 推荐:0

Wizard's Tour CodeForces - 860D (图,构造)

uid001 2019-05-12 10:21 阅读:175 评论:0 推荐:0

Souvenirs CodeForces - 765F (好题)

uid001 2019-05-11 22:13 阅读:149 评论:0 推荐:0

Encryption (hard) CodeForces - 958C3 (树状数组)

uid001 2019-05-11 20:35 阅读:267 评论:0 推荐:0