Skip to main content
Check out the new chat at udebug.com/chat!
Menu
Problems
Contributors
API
API Documentation
API Tools
My Account
Profile
Sign In
Chat
Select a problem or
browse problems
All Judges
Sphere Online Judge
Toph
Dev Skill
CATS Online Judge
URI Online Judge
Facebook Hacker Cup
Light Online Judge
Google Code Jam
UVa Online Judge
ACM-ICPC Live Archive
11409
Problem ID:
11409
Ball Passing
Hints
UVa Online Judge
Problem Statement
Single Output Problem
Solution
UVa Online Judge
Most Popular Input
metaphysis
Select Input
(1)
Sign Up to Vote
User
Date
Votes
1
metaphysis
23 Aug
2026 04:28:49
0
Delete Input
Add Input
Input
Copy Input
Accepted Output
Copy Output
Your Output
