Difference between revisions of "2020 CCPC Online Contest"

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== Problem D ==
 
== Problem D ==
 
== Problem E ==
 
== Problem E ==
Solved by yanghong. 00:36:01(-2)
+
Solved by yanghong. 00:36:01(+2)
  
 
== Problem F ==
 
== Problem F ==

Revision as of 14:02, 23 September 2020

Problem A

Unsolved.

Problem B

Solved by all. 02:24:09(+1)

每个节点向其某个质因子连边,之后所有素数向 $2$ 连边。答案即为区间自然数和加上区间素数和,用 min25 筛出即可。

Problem C

Solved by bingoier. 00:27:30

Problem D

Problem E

Solved by yanghong. 00:36:01(+2)

Problem F

Solved by Once. 04:43:11(+4)

把所有边界点带入后方的连续函数验证连续性即可。

取消同步要人命。

Problem G

Problem H

Problem I

Problem J

Problem K

Problem L

Problem M