Difference between revisions of "2020 CCPC Online Contest"
Jump to navigation
Jump to search
| Line 3: | Line 3: | ||
== Problem B == | == Problem B == | ||
| − | Solved by all. 02:24:09( | + | 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。 | 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。 | ||
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。