PC2022 Problem 2 – Intermediate results, Pre-final

The problem is closed for submissions.

By 26th February 2022, 23:00 GMT, there are 1111 participants from 80 countries. 122 solutions to P2 were submitted, out of which 38 were correct.

Correct solutions by university students:

First nameSurnameCountrySchool/UniversityP2 date time
DD/MM/YY 00:00:00
Zhening LiEddie ChenCanada/United StatesMassachusetts Institute of Technology20/12/21 20:52
DengJinqiuChinaBeijing University of Aeronautics and Astronautics27/12/21 04:13
ShofarSnoSurinameAnton de Kom University of Suriname29/12/21 06:50
AlessandroRezziItalyUniversity of Padova3/1/22 19:23
JaroslavHermanCzech RepublicCharles University5/1/22 15:46
Ameya VikramaSinghIndiaIndian Institute of Technology Bombay9/1/22 20:02
IsaacWuAustraliaUniversity of Melbourne13/1/22 17:07
KevinYouUnited StatesCarnegie Mellon University16/1/22 08:20
YuechenZhuChinaPeking University16/1/22 14:07
ZiyueWangChinaHebei University of Technology16/1/22 16:26
QianLinChinaUniversity of Oxford17/1/22 06:08
FelixSchwarzfischerGermanyTechnical University Munich17/1/22 10:49
AmeyaDeshmukhIndiaIIT Bombay30/1/22 10:53
YunGuCHINATianjin University30/1/22 12:13
ErikSünderhaufGermanyTechnical University of Munich5/2/22 21:54
SoumyadeepSarmaIndiaIndian Institute of Science6/2/22 16:19
SimonSelgEstoniaTartu Ülikool12/2/22 17:48
YanjunZhouChinaUniversity of Oxford12/2/22 18:47

Correct solutions by pre-university students:

Vlad-ȘtefanOrosRomania“Grigore Moisil” Theoretical High School21/12/21 06:22
LucaMilaneseItalyLiceo “Leonardo da Vinci”, Terracina4/1/22 11:58
WangQuanquanChinaTianjin Yaohua High School16/1/22 15:33
SebastiánArévaloEl SalvadorInstituto Emiliani19/1/22 04:19
YehyunChoiUnited StatesWestlake High School22/1/22 23:36
VukHipSerbiaMathematical Grammar School23/1/22 12:48
AdamDžavoronokSlovakiaGymnázium Poštová 923/1/22 14:11
Balázs CsabaKovácsHungaryHatvani Bajza József Gimnázium25/1/22 19:49
Absur KhanSiamBangladeshGap Year30/1/22 07:53
SarthakPandaIndiaFIITJEE Bhubaneswar31/1/22 08:04
RhythmKediaIndiaLord Buddha Public school31/1/22 17:52
Emerson FranzuaAldana GavarreteHondurasSchool31/1/22 19:47
AlexandarRoussevBulgariaFirst Language School1/2/22 23:16
GigiTsirekidzeGeorgiaLEPL Kutaisi Andria Razmadze physics and mathematical public school N415/2/22 21:40
Miguel IsaíasDoradea MeléndezEl SalvadorInsituto Emiliani11/2/22 23:44
AzimuddinSheikhIndiaFIITJEE13/2/22 10:49
FilipVučićCroatiaI. gymnasium Zagreb17/2/22 14:15
YijunLinChinaHigh School Attached to Herbin Normal University18/2/22 15:01
FelixYewMalaysiaNational Junior College, Singapore22/2/22 08:14
MayankAnandIndiaFIITJEE26/2/22 11:37


The list of countries:
Algeria, Argentina, Australia, Azerbaijan, Bahrain, Bangladesh, Belarus, Belgique, Bosnia and Herzegovina, Brazil, Brunei Darussalam, Bulgaria, Canada, China, Costa Rica, Croatia, Czech Republic, Cuba, Egypt, El Salvador, Estonia, Ethiopia, Finland, France, Georgia, Germany, Greece, Honduras, 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, South Africa, Spain, Sri Lanka, Suriname, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United States, Uzbekistan, Vietnam