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! 1.2 pt
Odd Echo 1.3 pt
Easy Reverse 1.2 - 1.5 pt
Birthday Memorization 1.2 - 1.5 pt
Medium A List Game 2.8 pt
Cat Coat Colors 2.8 pt
Hard Work Reduction 5.5 pt
Cat vs. Dog 5.5 pt

Ranklist

# User Score ?
1 9900.5
2 8886.0
3 8876.7
4 8560.9
5 8299.7
6 7882.9
7 7708.5
8 7660.0

Countries

# Country Score ?
1 5532.9
2 5513.3
3 5034.5
4 4178.0
5 4002.1
6 3537.0
7 2798.9
8 2762.8