1. Thursday, 28 July, 2005 CEOI 2005 Welcome

2. Thursday, 28 July, 2005 Introduction We are honoured to have been asked to host the 12 th Central-European Olympiad in Informatics in Hungary, and we are inviting you most warmly to attend. We shall do our best to make CEOI 2005 a memorable occasion, and we hope you will meet old friends and make new ones. Teams from all CEOI-countries have been invited to come to Hungary, and we shall also try to get some new countries to join.

3. Thursday, 28 July, 2005 The Czech Team and their Guide Eszter

4. Thursday, 28 July, 2005 The Estonian Team and their Guide Lilla

5. Thursday, 28 July, 2005 The French Team and their Guide Ágnes

6. Thursday, 28 July, 2005 The Dutch Team and their Guide Viktória

7. Thursday, 28 July, 2005 The Polish Team and their Guide Judit

8. Thursday, 28 July, 2005 The Croatian Team and their Guide Dóra

9. Thursday, 28 July, 2005 The Romanian Team and their Guide Éva

10. Thursday, 28 July, 2005 The Spanish Team and their Guide Eszter

11. Thursday, 28 July, 2005 The Slovakian Team and their Guide Enikő

12. Thursday, 28 July, 2005 The Bosnian Team and their Guide Mária

13. Thursday, 28 July, 2005 The German Team and their Guide Mária

14. Thursday, 28 July, 2005 The Hungarian Team and their Guide Renáta