Hello CP

Start

2021-12-25 05:00 AKST

Hello CP

End

2021-12-31 14:59 AKST
The end is near!
Contest is over.
Not yet started.
Contest is starting in -19133 days 13:22:52

Time elapsed

151:59:59

Time remaining

0:00:00

Tutorial

Start the tutorial by choosing which programming language you want to use.

C
C#
C++
COBOL
F#
Go
Haskell
Java
Node.js
SpiderMonkey
Kotlin
Common Lisp
Objective-C
OCaml
Pascal
PHP
Prolog
Python 2
Python 3
Ruby
Rust