Problem 3 in the IMO’2019 Paper
Problem 3 in the IMO’2019 Paper
Author(s): Sava Grozdev, Veselin NenkovSubject(s): Social Sciences, Education, School education, Vocational Education, Adult Education, Higher Education , History of Education
Published by: Национално издателство за образование и наука „Аз-буки“
Keywords: Olympiad; problem solving; graph; vertex; edge; connectivity; complete graph
Summary/Abstract: The aim of the present note is to discuss Problem 3 on the IMO’2019 paper. The 60th edition of the International Mathematical Olympiad (IMO) took place in the city of Bath, United Kingdom, 11–22 July 2019, with the participation of 621 students from 112 countries. The event is the most prestigious scientific Olympiad for high school students. Problem 3 is one of the difficult ones on the paper. It was solved fully (7 points) by 28 participants, 4 students were marked with 6 points, 9 with 5 points, 5 with 4 points, 6 with 3 points, 3 with 2 points, 46 with 1 point and 520 with 0 points. The mean result of all the 621 participants in the Olympiad is 0, 572, which shows the high level of the problem difficulty.
Journal: Математика и информатика
- Issue Year: 63/2020
- Issue No: 2
- Page Range: 162-166
- Page Count: 5
- Language: English
- Content File-PDF