Problem
A [R30A]机器人移动2 1000ms 512MiB Submit
B [R30B]爬楼梯 1000ms 512MiB Submit
C [R30C]卡牌游戏 1000ms 512MiB Submit
D [R30D]路径第K小 1000ms 512MiB Submit
E [R30E]彩色小球 1000ms 512MiB Submit
F [R30F]红蓝砖块 2000ms 512MiB Submit

According to the contest rules, you cannot view your submission details at current.

Subject: General Issue | Jury @ 2025-9-19 21:10:27

F题中 $100\%$ 的数据范围已添加：且 $R,B$ 不同时为 $0$ 。
Subject: B. [R30B]爬楼梯 | Jury @ 2025-9-19 20:05:19

B题数据范围中 $1 \leq M \leq N$ 修正为 $0 \leq M \leq N$ ，非常抱歉

代码源挑战赛 Round 30

Status: Done
Rule: DMY
Start at: 2025-9-19 20:00
End at: 2025-9-19 21:30
Duration: 1.5 hour(s)
Host: shihanyuan
Partic.: 392