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
Um_nik mod 998 244 353 Contest
A. The Best Problem of 2021
Statistics
Statement
Submit
Custom Test
Back to the contest
Submit
Run