Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKU v. THU (Preliminary Round 2)
Time Limit: 2.0 s
Memory Limit: 1024 MB
Hackable ✓
Harbin
I. Rolling For Days
Statistics
Statement
Submit
Custom Test
Attachments
Back to the contest
Submit
Run