Welcome to the Kattis Problem Archive

Here you can find thousands 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
Velkomin! 1.0 pt
Til hamingju 1.0 pt
Easy
Backspace 1.1 - 1.5 pt
Birthday Memorization 1.1 - 1.5 pt
Medium
Mravi 2.8 pt
Hard
Paint 5.5 pt

Ranklist

# User Score [?]
1 17852.2
2 16968.4
3 15585.9
4 15276.5
5 14839.6
6 13273.2
7 13038.3
8 12577.8

Countries

Rank Country Score [?]
1 10584.3
2 9094.7
3 7551.8
4 7406.0
5 7198.4
6 6896.3
7 5397.7
8 4711.4