OpenKattis
Ga
Standings
Problems
Help
Log in
Start
2021-11-24 11:25 CET
Ga
End
2021-11-24 11:35 CET
The end is near!
Contest is over.
Not yet started.
Contest is starting in
-1123 days 16:33:41
Time elapsed
0:10:00
Time remaining
0:00:00
Tutorial
Start the tutorial by choosing which programming language you want to use.
C
C#
C++
COBOL
Go
Haskell
Java
Node.js
Kotlin
Objective-C
Pascal
PHP
Prolog
Python 2
Python 3
Ruby
Rust
How to submit
How judging is done
Ranklist, scores and difficulties
How to
contact
us
Our
Terms of Service
Our
privacy policy