Problem
A 原来你也玩原神
B 追往昔
C ylh和sst的争宠游戏
D 因喝不了酒被迫喝可乐快要撑死的cy学长
E 称之为完美数组
F 修复电脑屏幕！
G giegie爱讲题
H 这是一道构造题
I 回到过去2
J 不想上题面？嗯？

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2023ACM新生积分赛 Round #2

Status: Done
Rule: ACM/ICPC
Problem: 10
Start at: 2023-10-28 13:00
End at: 2023-10-28 18:00
Duration: 5 hour(s)
Host: ZIFEI
Partic.: 70