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2018-2019 ACM-ICPC Nordic Collegiate Programming Contest (NCPC 2018)

Posted on 2018-10-25 | In ACM , codeforces , ICPC , Gym

7/11 Done
训练不下去
被自己困起来了
其实没什么大事儿的

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2018-2019 ICPC NEERC Southern Subregional Contest

Posted on 2018-10-24 | In ACM , codeforces , ICPC , Gym

7/13
总结:只会做水题

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Codeforces Round 517 Div2

Posted on 2018-10-22 | In ACM , codeforces

上不了分是真的实力问题啊

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2017 USP-ICMC

Posted on 2018-10-20 | In ACM , Gym , Team

7/11
team virtual participation
实现一场训练 $0$ 罚时
训练四小时自闭两个小时二十分钟….

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凸包

Posted on 2018-10-20 | In ACM , 学习笔记 , 几何

极角排序和Graham Scan法求凸包

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kuangbin基础几何专题

Posted on 2018-10-20 | In ACM , 学习笔记 , 几何

终于…开始学了几何了啊

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子集问题

Posted on 2018-10-19 | In ACM , 学习笔记

子集的子集

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BZOJ2721 约数定理

Posted on 2018-10-19 | In ACM , BZOJ , 数论

给定$n$,求有多少正整数数对 $(x,y)$ 满足 $\frac{1}{x} + \frac{1}{y} = \frac{1}{n!}$
$(n\le 10^{6})$

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Codeforces1060E 树形dp

Posted on 2018-10-17 | In ACM , codeforces , 树形dp

一棵树,在距离为 $2$ 的任意两点之间加一条边,问你加完边之后的任意两点之间的距离总和。
$(n\le 2·10^5)$

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Codeforces Round 515 (Div.3) Done

Posted on 2018-10-16 | In ACM , codeforces

竟然补完了一场…..Div3

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Kzpx

Kzpx

Hello the cruel world.

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