3rd Balkan Olympiad in Informatics
Varna, Bulgaria, 5-11 October 1995


Day 2 - Problem 2 (Baseball League)



One of the tasks of the Ministry of Sports of a Balkan country is to organize a baseball championship of n teams (numbered form 1 to n). The championship must consist of no more than n rounds and each two teams must play against each other exactly once. Write a program that produces a schedule for the championship.