16th Polish Olympiad in Informatics

Tasks

Fire Extinguishers (Stage I)  
Pebbles (Stage I)  
Algorithm Speedup (Stage I)  
Elephants (Stage I)  
Fire Brigade (Stage I)  
Isles in a Triangular Grid (Stage II - day 0)  
The Walk of Bytie-boy (Stage II - day 1)  
Ticket Inspector (Stage II - day 1)  
Architects (Stage II - day 2)  
Ice Skates (Stage II - day 2)  
Hexer (Stage III - day 0)  
Words 2 (Stage III - day 1)  
Words (Stage III - day 1)  
Arrays (Stage III - day 1)  
Island (Stage III - day 1)  
The Code (Stage III - day 2)  
The Search (Stage III - day 2)