Problem
A 迷宫探险 1000ms 256MiB Submit
B 过马路1 1000ms 256MiB Submit
C 岛屿旅行 1000ms 256MiB Submit
D 过马路2 1000ms 256MiB Submit

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

Oh, there is no clarification!

0510

Status: Done
Rule: IOI
Problem: 4
Start at: 2025-5-10 14:00
End at: 2025-5-10 17:30
Duration: 3.5 hour(s)
Host: kcs007
Partic.: 45