ENG
RUS
Timus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
Discussion of Problem
2154
. Flight on a Cannonball
Show all threads
Hide all threads
Show all messages
Hide all messages
New topic
Style:
flat
|
tree
|
nested
Thread Order:
bubble
|
fixed
© 2000–2025
Timus Online Judge Team
. All rights reserved.