Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKUTS
Time Limit: 1 s
Memory Limit: 512 MB
Total points: 100
# 34. Friends
Statistics
Statement
Submit
Custom Test
The problem was used in the following contest:
Baltic Olympiad in Informatics 2017 Day 2
Submit
Run