10th International Olympiad in Informatics - IOI’98- Program Saturday, 5th September 1st day - Arrival Sunday, 6th September 2nd day - Open Ceremony Monday, 7th September 3rd day - 1st Competition day Tuesday, 8th September 4th day - Social events Wednesday, 9th September 5th day - 2nd Competition day Thursday, 10th September 6th day EXPO’98 visit Friday, 11th September 7th day - Closing Ceremony Saturday, 12th September 8th day - Departure