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2020-2021:teams:farmer_john:2020牛客暑期多校第十场 [CVBB ACM Team]

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2020-2021:teams:farmer_john:2020牛客暑期多校第十场

比赛名称

A.

solved by 2sozx

题意

给定一个质数 $p$ 问是否存在一个排列使得每一位满足 $a_{i+1}=2a_i(mod p)$ 或 $a_{i+1}=3a_i(mod p)$ 其中一个条件。

题解

令 $a_1=1$ ,之后能用 $2$ 就用 $2$ ,否则就用一个 $3$ ,之后再用 $2$ 。完全不会证明。

B.

upsolved by

题意

题解

C.

upsolved by

题意

题解

D.

solved by 2sozx JJLeo Bazoka13

题意

炉石传说背景,有四种随从:一.剧毒;二.剧毒圣盾;三.剧毒亡语;四.剧毒圣盾亡语。其中亡语生成一个 $1/1$ 的植物,其余随从为 $1/10^9$,现在你拥有一些随从,电脑拥有一些随从,问在你做出最优决策,电脑做出最劣决策下你是否能赢。

题解

E.

upsolved by

题意

题解

F.

upsolved by

题意

题解

G.

upsolved by

题意

题解

H.

upsolved by

题意

题解

I.

upsolved by

题意

题解

J.

upsolved by

题意

题解

记录

0min:开局分题
30min:CSK ZYF冲E,MJX看A
38min:ZYF AC E,MJX 冲A
49min:MJX AC A
50min~180min:集体自闭ing
180min:D rejudge 了,重测了,发现挺可做的集体搓炉石
234min:巨大讨论后 ZYF AC D,CSK看J
245min:CSK AC J
286min:CSK 猜结论 WA1 后AC

总结

2020-2021/teams/farmer_john/2020牛客暑期多校第十场.1597222028.txt.gz · 最后更改: 2020/08/12 16:47 由 2sozx