| rank | solved | A | B | C | D | E | F | G | H | I | J |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 | 7 | Ø | O | O | O | . | . | . | O | O | O |
A
UpSolved by miaojie (+2).
暴力打表。
B
Solved by miaojie (01:12:55).
C
Solved by XLor (04:15:46, +4).
点分树。
D
Solved by miaojie (00:15:58, +1).
判断一下 $1$ 和 $24$。
H
Solved by ytriayggg (00:46:10, +1).
I
Solved by ytriayggg (04:37:28, +2).
生成函数，推式子。
J
Solved by XLor (01:29:27, +1).
抄一个指针分析。
代码
A
1 |