Welcome to the Iceland Problem Archive

Suggested problems

Difficulty ?Problem
Trivial Giskaðu á svarið 1.2 pt
Liðaskipting 1.2 pt
Easy Frumtölur 1.5 pt
Roomba 1 1.5 pt
Medium Undrabarn 2.9 pt
XORsistinn 2 2.9 pt
Hard Undratré 5.6 pt
Röðun 5.8 pt

Countries

# Country Score ?
1 123.5
2 40.6
3 23.0
4 21.1
5 20.0
6 5.3
7 2.2
8 0.9