Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Day 1
Day 2
Live
Time Limit: 1.0 s
Memory Limit: 512 MB
Total points: 100
Communication
ROI 2023 Day 1
B. Тайное послание
Statistics
Statement
Submit
Custom Test
Back to the contest
Submit
Run