Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKU v. THU (Preliminary Round 2)
Time Limit: 1 s
Memory Limit: 256 MB
Total points: 100
XXV OI I etap
C. Powódź
Statistics
Statement
(Polski)
Submit
Custom Test
Attachments
Back to the contest
Submit
Run