2019-2020 ICPC, Asia Jakarta Regional Contest

Problem A

Solved by Xiejiadong. 00:06 (+)

温暖的签到。

直接输出 $n+1-a_i$ 即可。

Problem B

Solved by Kilo_5723. 04:17 (+2)

Problem C

Solved by Weaver_zhu. 00:25 (+)

Problem D

Unsolved.

Problem E

Unsolved. (-8)

Problem F

Unsolved.

Problem G

Solved by Xiejiadong. 02:33 (+1)

Problem H

Solved by Xiejiadong. 00:34 (+)

Problem I

Unsolved.

Problem J

Solved by Xiejiadong. 04:49 (+7)

Problem K

Solved by Kilo_5723. 01:43 (+2)

Problem L

Unsolved.