PC2026 Problem 1 – Intermediate results – week 2

By the end of the second week, there were 1587 registered participants from 100 countries. In total, 238 solutions were submitted, out of which 112 were correct.

Correct solutions by pre-university students:

First nameSurnameCountrySchoolP1 date time
DD/MM/YY 00:00:00
GeunyeongJangSouth KoreaSeoul Science High School19/10/25 14:19
JihyeongHanSouth KoreaSeoul Science High School19/10/25 15:17
KanishkJainIndiaALLEN KOTA19/10/25 17:55
DominikErdélyiHungaryBudapesti Fazekas Mihály Gimnázium19/10/25 18:28
DariusGraurMoldovaLiceul Orizont19/10/25 18:28
OwenZhouUnited StatesBASIS Scottsdale19/10/25 21:31
RishitGargIndiaSVIS Dwarka19/10/25 22:43
Kai WenTeoSingaporeGap year20/10/25 05:11
AnanmayChauhanIndiaALLEN Kota20/10/25 06:42
DarshSikkaIndiaDPS RK Puram20/10/25 07:07
AlexandruBordeiMoldovaLT “Orizont” Durlesti20/10/25 08:03
DishitAgarwalIndiaModulus Junior College20/10/25 10:06
Badekai Vishruth KrishnaRamachandra BhatIndiaAllen Kota20/10/25 10:08
SvaritJoshiIndiaKhyati World School20/10/25 10:42
AlexSecrieruMoldovaLiceul Teoretic Orizont Durlesți20/10/25 12:55
Monjurul HasanNabilBangladeshGovernment Science College20/10/25 15:13
MahammadJafarliAzerbaijanTechnical-Humanitarian Lyceum20/10/25 15:26
RareșMunteanRomaniaLiceul Teoretic Ioan Jebelean20/10/25 15:37
SiddhaarthDharaniSingaporeGap Year20/10/25 17:47
KanadBhattacharyaIndiaDeeksha STEM20/10/25 19:35
MuradKhalilAzerbaijanBaku Turkish School20/10/25 19:37
Mert AndaçKaranTürkiyehcesehir High School for Science and Technology20/10/25 19:50
LucaGâleaRomaniaNational College Iasi21/10/25 01:27
Yun-ChiehSuTaiwanTaipei Fuhsing Private School21/10/25 03:59
ZhuohengWuUnited StatesPioneer Academy21/10/25 04:27
QingxiangLiaoChinaShenzhen College of International Education21/10/25 04:31
LucasWuUnited StatesDavidson Academy of Reno21/10/25 05:06
VictorSanduMoldovaOrizont21/10/25 07:29
YeonhoLeeSouth KoreaSeoul Science High School21/10/25 11:01
RüzgarKuşaklıTürkiyeBahçeşehir Science and Technology High School21/10/25 13:03
TanayTekadeIndiaSchool of Scholars21/10/25 16:54
AntoninaJareckaPolandII Liceum Ogólnokształcące im. Stanisława Wyspiańskiego w Legnicy21/10/25 17:51
AmritRajIndiaMaa Bharti Sr. Sec. School22/10/25 04:45
YuxuanWangTaiwanTaipei Municipal Chien Kuo High School22/10/25 09:38
AdyanshuPanigrahiIndiaDelhi Public School Dhenkanal22/10/25 11:19
AntoniaRaduRomaniaColegiul National “Mihai Viteazul” Ploiesti22/10/25 12:25
LeeSinHyeokSouth KoreaSeoul Science High School23/10/25 02:36
AkshatSinghIndiaG.S. Modern School23/10/25 08:58
AaravGuptaIndiaAllen Marathalli23/10/25 18:46
MichałZakrzyńskiPolandZespół Szkół Łączności w Gdańsku24/10/25 13:16
LuvGuptaIndiaNARAYANA E Techno School, Andheri East24/10/25 18:20
WilliamZarytovPresidential Physics and Mathematics Lyceum No. 23924/10/25 21:43
Emmanuel JamesLafortezaPhilippinesPhilippine Science High School – Main Campus25/10/25 04:24
ArgamTahaUnited StatesJulia R. Masterman Laboratory and Demonstration High School25/10/25 13:25
SounakChakrabortyIndiaDAV Model School, IIT Kharagpur25/10/25 14:54
ArtyomEryominLyceum №2325/10/25 15:11
MahilManiIndiaNarayana25/10/25 15:13
ChetanMalviyaIndiaNarayana e-Techno School, Andheri25/10/25 15:58
ÖmerAkhanTürkiyeBahcesehir Science and Technology High School25/10/25 17:20
VeljkoAdzicSerbiaRacunarska Gimnazija25/10/25 19:10
MatíasPáezArgentinaEES n°626/10/25 00:50
EthanBordaUnited StatesPaul D. Schreiber High26/10/25 01:16
TriLeVietnamVNU-HCM High School for the Gifted26/10/25 06:43
SauryaShresthaNepalSt. Xavier’s College, Nepal26/10/25 11:16
Jana MousaJana MousaSyriaSchool of exellence26/10/25 16:13
RutvikAroraUnited StatesMission San Jose High School26/10/25 18:27
AmeyGhimireNepalTrinity Int’l College26/10/25 18:29
CarloDi LorenzoItalyLiceo Newton Chivasso26/10/25 19:17
AveerSinghIndiaVidyamandir classes GURGAON27/10/25 15:43
KaanGüngörTürkiyeBahçeşehir Fentek28/10/25 13:57
FedericoRoccaforteItalyIIS Concetto Marchesi29/10/25 21:58
DaviPinheiro TsuchieBrasilObjetivo Integrado30/10/25 22:38
BhargavPatiSingaporeRaffles Institution31/10/25 06:11
LukaSmiljanicSerbiaMathematical Grammar School31/10/25 21:59
AdityaJakharIndiaBal Bhavan International School1/11/25 23:59
ZeynabMahammadliAzerbaijanTTEL2/11/25 00:01
ToshivChowdharyCanadaWest Vancouver Secondary School2/11/25 06:52
IvanErmolaevSchool No 2044, Moscow2/11/25 11:13
İhsan YağızKaraTürkiyeBahcesehir High School for Science and Technology2/11/25 11:51

Correct solutions by university students:

First nameSurnameCountryUniversityP1 date time
DD/MM/YY 00:00:00
JonathanBurgerGermanyKarlsruher Institut für Technologie19/10/25 13:49
VaibhavVIndiaUnited Institute of Technology19/10/25 15:34
Oscar LuisFerrer LeyvaCubaUniversidad de La Habana19/10/25 16:59
GuyGinzbergIsraelOpen University of Israel19/10/25 19:01
LarranceXingUnited StatesUniversity of Chicago19/10/25 19:59
Ilan MiheljaIvan HegedićCroatiaUniversity of Zagreb, EPFL19/10/25 20:53
ShreyhaanSarkarUnited StatesCornell University20/10/25 03:29
JoshuaWangUnited StatesMIT20/10/25 07:38
ShaoLiuChinaPeking University20/10/25 08:55
EthanLuUnited StatesOhio State University20/10/25 09:26
JerzyGamdzykPolandUniversity of Warsaw20/10/25 17:26
DaniilsKoselevsFranceÉcole Polytechnique20/10/25 23:48
NikhilKodaliUnited StatesUC Irvine21/10/25 00:56
ViníciusFerreira RodriguesBrazilUniversity of Iowa21/10/25 03:33
TrishanjitDoloiIndiaIIT Bombay21/10/25 05:46
AlessandroD’OrazioItalyUniversity of Pisa21/10/25 10:17
YuanWangChinaTsinghua University21/10/25 10:55
KienPhamGermanyLMU Munich21/10/25 11:17
ViktorVukovićCroatiaUniversity of Zagreb21/10/25 18:17
WangYixiChinaHangzhou Dianzi University22/10/25 09:23
KyleBomeislUnited StatesGap Year22/10/25 17:45
KushalThamanUnited StatesStanford University23/10/25 00:10
ThachNguyenVietnamUniversity of South Florida23/10/25 03:39
AlonHartIsraelHebrew University of Jerusalem23/10/25 16:53
AndreiPeunyBelarusMIPT23/10/25 18:31
Chung WangLamHong KongUniversity of Cambridge24/10/25 17:07
AdityaBhojIndiaIndian Institute of Technology25/10/25 23:46
MehdiNikopour DeilamiFranceEcole Polytechnique26/10/25 00:06
JakubKlimentCzech RepublicCharles University26/10/25 01:53
Tejas PenugondaTalha AshrafIndia/PakistanICL/MIT26/10/25 02:48
ArmenGazazyanArmeniaYerevan State University26/10/25 08:42
DavitHayrapetyanArmeniaYerevan State University26/10/25 09:19
Aditya ShankarGargUnited StatesColumbia University27/10/25 06:34
SathyaNistriItalyUniversità di Pisa29/10/25 21:25
AHMETUĞUZTürkiyeHacı Zarife Çelebi-Aygar Anatolian Highschool, (Teacher)31/10/25 10:35
DanielYiUnited StatesUniversity of Maryland College Park1/11/25 08:00
OytunErTürkiyeBoğaziçi University1/11/25 14:05
Frane AnđelićLuka DuplančićCroatiaUniversity of Zagreb, University of Split1/11/25 20:21
Rakib MuhammedSakiBangladeshBrac University1/11/25 22:31
FrancescoGariglioItalyUniversità degli Studi di Torino1/11/25 23:58
SubhojitMajiIndiaIndian Statistical Institute Bangalore Centre2/11/25 00:57
JeevakaarthikDhanabalanSingaporeUniversity of Oxford2/11/25 02:05
DoğanÖnalTürkiyeBoğaziçi University2/11/25 10:09
AdrianRewkowskiBelarusJagiellonian University2/11/25 10:17
EnzoMateriaItalyUniversity of Catania2/11/25 12:09