OLYMPIADS IN INFORMATICS, 2015, Vol. 9, pp. 139 - 146
© IOI, Vilnius University

ISSN 1822-7732

DOI: 10.15388/ioi.2015.11

The Estimation of Winners’ Number of the Olympiads’ Final Stage

Aleksandr MAIATIN, Pavel MAVRIN, Vladimir PARFENOV, Oksana PAVLOVA, Dmitrii ZUBOK

ITMO University, Saint-Petersburg, Russia
e-mails: mayatin@mail.ifmo.ru; pavel.mavrin@gmail.com; parfenov@mail.ifmo.ru; pavlova.ifmo@gmail.com; zubok@mail.ifmo.ru.


It is a complex and actual task to determine promising candidates for Olympiad’s final stage from the participants’ number of remote qualifying stage on the basis of their points scored during the qualifying stage. In this paper estimations of winners and awardees’ number of the Olympiad final stage are made depending on the value of the passing score of the Olympiad’s final stage. As part of the mathematical approach of mass Olympiad participants’ results evaluation, data on indices of problems’ solvability and participants’ distribution in the qualifying stage according to the type of solved problems and scored points are used. The proposed approach can be applied by methodical committee and the jury of massive Olympiad in the process of the contest problems’ development and determination of the passing score into the Olympiads’ final stage.


mathematical statistics, Olympiads, the criteria for results’ evaluation.

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Copyright © International Olympiads in Informatics, Vilnius University Institute of Mathematics and Informatics, 2015