Problem 5; intermediate results, week 6

By 12th March 2020, there are 669 registered participants from 68 countries (the list of countries is given below). For the Problem 5 during the first week, 18 solutions were submitted, out of which 14 were correct; during the second week, 10 solutions were submitted, out of which 10 were correct.; during the third week, 3 solutions were submitted, which were all correct; during the fourth week, 5 solutions were submitted, which were all correct; during the fifth week, 4 solutions were submitted, which were all correct.; during the sixth week, 2 solutions were submitted all of which were correct.

Sixth week:

First NameSurnameSchool/UniversityCountryscoreDateTime
HishamAlmalkiManarat Al-Riyadh SchoolSaudi Arabia120/04/2022:52:00
JerryHanRaffles InstitutionSingapore123/04/2015:34:00

Fifth week:

First NameSurnameSchool/UniversityCountryDateTime
DanielSchillerRuprecht-Karls-Universität HeidelbergGermany12/04/2014:23:00
ViníciusFerreira RodriguesColégio MasterBrazil15/04/2004:05:00
JiakaiChenHwa Chong Institution Singapore 19/04/2006:31:00
Bayram AlpŞahinAnkara Sience HSTurkey19/04/2010:43:00

Fourth week:

First NameSurnameSchool/UniversityCountryDateTime
QuanNguyenHanoi-Amsterdam High School for the GiftedVietnam05/04/2013:24:00
TanNguyenVietnam National University Vietnam08/04/2008:56:00
JonathanGräfeTechnische Universität DresdenGermany10/04/2012:55:00
Prakhar SinghIIT Kanpurindia11/04/2021:00:00
HiểnNguyễnHUS High School for Gifted StudentsVietnam12/07/202012:35:00

Third week:

First NameSurnameSchool/UniversityCountryDateTime
AlexandreBastosObjetivo IntegradoBrazil02/04/2002:48:00
AlessandroMenegonColégio Objetivo IntegradoBrazil02/04/2019:45:00
EndreBokorBudapesti Fazekas Mihály Gyakorló Általános Iskola és GimnáziumHungary05/04/2008:47:00

Second week:

First NameSurnameSchool/UniversityCountryDateTime
RonaldDobošGymnázium, Poštová 9, KošiceSlovakia22/03/2014:54:00
YuechenZhuHenan Experimental High SchoolChina22/03/2015:27:00
ErikSünderhauf Technical University of Munich Germany22/03/2016:24:00
Deng JianzhengShenzhen Senior High SchoolChina23/03/2000:51:00
XiaoyangYangMiddle School of Northwestern Polytechnical UniversityChina23/03/2005:31:00
BatuhanKeskin Bogazici University Turkey24/03/2001:54:00
Trang ĐàoCông MinhHUS High School for Gifted StudentViet Nam24/03/2017:35:00
NikitaPoljakov University of Bristol United Kingdom28/03/2018:04:00
JakubLewandowskiLiceum Politechniki ŁódzkiejPoland28/03/2021:51:00
GabrielCapelo Universidade de São Paulo Brazil29/03/2005:30:00

First week:

First NameSurnameSchool/UniversityCountryDateTime
Duc HuyTranThe Hong Kong University of Science and Technology (HKUST)Viet Nam15/03/2017:23:00
AntoniaGhitaInternational Computer High School of BucharestRomania15/03/2023:16:00
DobricaJovanovićMathematical Grammar School Serbia16/03/2008:36:00
TevžLotričGimnazija KranjSlovenia16/03/2013:58:00
TungLinhCurrently in gap yerVietnam16/03/2020:41:00
Fang TzuHsuNational Taiwan UniversityTaiwan17/03/2002:08:00
HanyiLiChengdu Foreign Languages SchoolChina17/03/2004:30:00
Imtiaz TanweerRahimNotre Dame CollegeBangladesh17/03/2009:18:00
ZhaoyanPangHarbin No.3 Senior HighChina17/03/2015:46:00
OliwierUrbańskiVII LO im. Dąbrówki w PoznaniuPoland18/03/2015:49:00
PanFeiyue The High School of Anhui Normal UniversityChina21/03/2009:45:00
RobertoMarín DelgadoUniversidad de Costa Rica Costa Rica21/03/2021:53:00
Absur KhanSiamNotre Dame CollegeBangladesh22/03/2007:00:00
Timothy HoNUS High School of Mathematics and ScienceSingapore 22/03/2010:44:00

Participating countries: Australia, Azerbaijan, Bahrain, Bangladesh, Belarus , Bosnia and Herzegovina, Brasil, Bulgaria, Cambodia, Canada, China, Chinese Taipei, Costa Rica, Croatia, Ecuador, Egypt, El Salvador, Estonia, Finland, France, Georgia, Germany, Greece, Hong Kong, Hungary, India, Indonesia, Italy, Japan, Kazakhstan, Korea, Kosovo, Kyrgyzstan, Latvia, Lithuania, Luxembourg, Macedonia (North), Malaysia, Mexico, Moldova, Mongolia, Morocco, Nepal, Netherlands, Nigeria, Pakistan, Peru, Philippines , Poland, Portugal, Romania, Russia, Saudi Arabia, Serbia, Singapore, Slovakia, Slovenia, Sweden, Switzerland, Syria, Tajikistan, Thailand, Turkey, Turkmenistan, United Kingdom, United States, Uzbekistan, Vietnam .