Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKU v. THU (Preliminary Round 2)
Time Limit: 2 s
Memory Limit: 512 MB
BAPC + UKIEPC 2021
B. BnPC
Statistics
Statement
(PTZ)
Submit
Custom Test
Editorial
Back to the contest
Submit
Run