PC2026 Problem 2 – Intermediate results – week 5

By December 28th, there were 1802 registered participants from 100 countries. In total, 187 solutions have been submitted for the second problem, out of which 24 were correct.

Correct solutions by pre-university students:

First nameSurnameCountrySchoolP2 date time
DD/MM/YY 00:00:00
Sudipto SenTawhid Bin OmarBangladeshSt. Joseph Higher Secondary School8/12/25 16:38
SiddhaarthDharaniSingaporeGap Year9/12/25 17:04
QingxiangLiaoChinaShenzhen College of International Education10/12/25 15:31
AryanLalwaniIndiaGap Year13/12/25 16:00
DominikErdélyiHungaryBudapesti Fazekas Mihály Gimnázium13/12/25 17:59
LukaSmiljanicSerbiaMathematical Grammar School13/12/25 18:05
NithilanRavikumarIndiaNil18/12/25 08:00
KwonheonLeeSouth KoreaSeoul Science Highschool21/12/25 06:38

Correct solutions by university students:

First nameSurnameCountryUniversityP2 date time
DD/MM/YY 00:00:00
AlonHartIsraelHebrew University of Jerusalem23/11/25 18:08
GuyGinzbergIsraelThe Open University of Israel29/11/25 17:15
JoshuaWangUnited StatesMIT30/11/25 08:50
VaibhavVIndiaUnited Institute of Technology3/12/25 07:18
FrancescoGariglioItalyUniversità degli Studi di Torino6/12/25 09:18
Md Mustakim BinAlamNovosibirsk State University7/12/25 15:20
ViníciusFerreira RodriguesBrazilUniversity of Iowa7/12/25 21:53
AlessandroD’OrazioItalyUniversity of Pisa9/12/25 14:04
uravggamerTaiwanKshewan University14/12/25 11:10
JonathanBurgerGermanyKarlsruher Institut für Technologie14/12/25 14:57
EthanLuUnited StatesOhio State University14/12/25 17:13
ErikKaniewskiEstoniaTaltech15/12/25 02:03
KushalThamanIndiaStanford University15/12/25 18:43
KadyrberdiYazdurdievTurkmenistanMagtymguly Turkmen State University20/12/25 07:39
SamuelAltmanIndonesiaJakuma State Collegium21/12/25 11:54
ArslanJumayevTurkmenistanMagtymguly Turkmen State University24/12/25 10:50