6th Polish Olympiad in Informatics

Tasks

Polygons (Stage I)  
Monodigital Representations (Stage I)  
Musketeers (Stage I)  
Empty Cuboids (Stage I)  
Rockets (Stage II - day 0)  
Speleology (Stage II - day 1)  
Sleepwalker (Stage II - day 1)  
Bitmap (Stage II - day 2)  
Ice rink (Stage II - day 2)  
Three-Coloring of Binary Trees (Stage III - day 0)  
Store-Keeper (Stage III - day 1)  
Map (Stage III - day 1)  
Altars (Stage III - day 2)  
Primitivus (Stage III - day 2)  
Water (Stage III - day 2)