2019 ICPC Asia East Final

rank solved A B C D E F G H I J K L M
70 4 O . Ø . O . Ø O . . . . O

A

Solved by Henry.

C

UpSolved by Poorwill.

D

UnSolved by XLor.

E

Solved by Henry.

G

UpSolved by XLor.

暴力模拟。

注意:常数优化。

H

Solved by Henry.

M

Solved by Poorwill.

扣出每种相关的类,跑一个状压。