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.
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Suggested problems

Difficulty [?]Problem
Trivial
Hello World! 1.1 pt
Betting 1.2 pt
Easy
Reverse 1.2 - 1.5 pt
Skru op! 1.3 - 1.5 pt
Medium
Hard

Ranklist

# User Score [?]
1 10352.4
2 9926.7
3 9871.8
4 8804.6
5 8536.3
6 8322.0
7 8250.1
8 7807.4

Countries

Rank Country Score [?]
1 6269.8
2 5895.7
3 5881.8
4 4575.9
5 4491.7
6 3855.9
7 2863.2
8 2844.7