Difference between revisions of "2020 CCPC Online Contest"
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== Problem I == | == Problem I == | ||
== Problem J == | == Problem J == | ||
+ | Solved by Once. 00:08:01 | ||
+ | |||
+ | 检查是否有相邻的 $1$ 即可。 | ||
+ | |||
== Problem K == | == Problem K == | ||
== Problem L == | == Problem L == | ||
== Problem M == | == Problem M == |
Revision as of 14:05, 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
Solved by Once. 00:16:43
大胆猜测答案就是出现最多的字母的出现次数。
Problem H
Problem I
Problem J
Solved by Once. 00:08:01
检查是否有相邻的 $1$ 即可。