PC2022 Problem 1 – Intermediate results, week 1

There is no hint on this Sunday; this means that the base score will remain equal to 1.0 during the forthcoming week. The first hint will be published on 5th December, 13:00 GMT.

By 28th November, 13:00 GMT, there are 920 participants from 74 countries. 67 solutions to P1 were submitted, out of which 21 were correct:

First name	Surname	Age group	Country	School/University	Date time
Yuechen	Zhu	University	China	Peking University	21/11/21 13:53
David	Constantinescu	Pre-university	Romania	International Computer High School of Bucharest	21/11/21 16:58
Alessandro	Rezzi	University	Italy	University of Padova	21/11/21 17:59
Luca	Milanese	Pre-university	Italy	Liceo “Leonardo da Vinci”, Terracina	21/11/21 23:04
Minh Hoàng	Lê	Pre-university	Vietnam	HUS High School for Gifted Students	22/11/21 04:31
Zhening Li	Eddie Chen	University	Canada/United States	Massachusetts Institute of Technology	22/11/21 06:17
Filip	Vučić	Pre-university	Croatia	I. gymnasium Zagreb	22/11/21 08:57
Tasuku	Ono	University	Japan	Harvard University	22/11/21 17:17
Ameya	Deshmukh	University	India	IIT Bombay	23/11/21 07:47
Yeswanth Narayana	Patnana	University	India	Indian institute of technology Madras	23/11/21 08:59
Alexandar	Roussev	Pre-university	Bulgaria	First Language School	23/11/21 11:26
Matej	Gelev	Pre-university	North Macedonia	Yahja Kemal	23/11/21 22:18
Sebastián	Arévalo	Pre-university	El Salvador	Instituto Emiliani	24/11/21 04:08
Vlad-Ștefan	Oros	Pre-university	Romania	“Grigore Moisil” Theoretical High School	24/11/21 14:10
Dženan	Midžić	Pre-university	Bosnia and Herzegovina	JU Gimnazija “Bihać”	24/11/21 21:51
Isaac	Wu	University	Australia	University of Melbourne	25/11/21 05:03
Adam	Džavoronok	Pre-university	Slovakia	Gymnázium Poštová 9	25/11/21 17:30
Gabriel	Morais Barros	Pre-university	Brazil	Master	26/11/21 18:14
Kyle	Bomeisl	University	United States	Rutgers University	27/11/21 03:49
Absur Khan	Siam	Pre-university	Bangladesh	Gap Year	27/11/21 16:46
Cheng Wei	Lin	University	Taiwan	National Cheng Kung University	29/11/21 09:05

The list of countries:
Algeria, Argentina, Australia, Azerbaijan, Bangladesh, Belarus, Belgique, Bosnia and Herzegovina, Brazil, Brunei Darussalam, Bulgaria, Canada, China, Costa Rica, Croatia, Czech Republic, Egypt, El Salvador, Estonia, Ethiopia, Finland, France, Georgia, Germany, Greece, Hong Kong, Hungary, India, Indonesia, Iran, Israel, Italy, Japan, Kazakhstan, Korea, Kosovo, Kyrgyzstan, Latvia, Lebanon, Lithuania, Luxembourg, Macao, Malaysia, Mexico, Moldova, Mongolia, Nepal, Nigeria, North Macedonia, Pakistan, Peru, Philippines, Poland, Romania, Russia, Saudi Arabia, Serbia, Singapore, Slovakia, Spain, Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United States, Uzbekistan, Vietnam