Welcome to the Kattis Problem Archive

Here you can find hundreds of programming problems to solve. If you're new here you're very much welcome! Just register and start solving.

Suggested problems

Difficulty ?Problem
Trivial Hello World! 1.1 pt
R2 1.2 pt
Easy Aaah! 1.5 pt
DRM Messages 1.5 pt
Medium Bit by Bit 2.8 pt
Pizza Hawaii 2.8 pt
Hard March of the Penguins 5.5 pt
Room Service 5.5 pt

Ranklist

# User Score ?
1 7942.6
2 6853.3
3 6809.2
4 6740.6
5 6376.6
6 4901.7
7 4490.9
8 4446.5

Countries

# Country Score ?
1 3908.4
2 3583.8
3 2974.5
4 2696.4
5 2361.4
6 2115.5
7 2027.6
8 1923.2