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 Bijele 1.2 pt
Hello World! 1.2 pt
Easy Aaah! 1.5 pt
Reverse Rot 1.5 pt
Medium Alphabet 2.8 pt
Happy Happy Prime Prime 2.8 pt
Hard The White Rabbit Pocket Watch 5.5 pt
Association for Cool Machineries (Part 2) 5.5 pt

Ranklist

# User Score ?
1 7563.1
2 6281.3
3 6263.4
4 5694.8
5 5116.1
6 4011.5
7 3914.6
8 3723.4

Countries

# Country Score ?
1 3211.0
2 2521.8
3 2486.4
4 2296.3
5 2140.4
6 1888.4
7 1818.3
8 1582.4