As of March 23th, 1637 participants from 98 countries had registered. In total, 89 solutions were submitted for the fourth problem, 65 of which were correct.
Correct solutions by pre-university students:
| First name | Surname | Country | School | P4 date time DD/MM/YY 00:00 |
| Robertas | Juknevičius | Lithuania | Kaunas University of Technology Gymnasium | 26/1/25 17:55 |
| Andrei | Vila | Romania | International Computer High School Bucharest | 26/1/25 18:04 |
| Grigorii | Grechkin | School CPM | 26/1/25 21:49 | |
| Darius | Graur | Moldova | Liceul Teoretic Orizont | 26/1/25 22:17 |
| Kai Wen | Teo | Singapore | Raffles Institution | 27/1/25 03:25 |
| Badekai Vishruth Krishna | Ramachandra Bhat | India | Maa Bharati Senior Secondary School | 27/1/25 05:34 |
| Joshua | Wang | United States | Brookfield Central High School | 27/1/25 07:29 |
| Siddhaarth | Dharani | Singapore | NUS High School | 27/1/25 14:02 |
| Alexandru | Bordei | Moldova | LT “Orizont” Durlesti | 27/1/25 14:25 |
| Kanishk | Jain | India | ALLEN Kota | 27/1/25 19:12 |
| Owen | Zhou | United States | Basis Scottsdale | 28/1/25 06:13 |
| Moritz | Rohner | Luxembourg | Lycée de Garçons Esch (LGE) | 28/1/25 07:35 |
| Shresth | Suraiya | India | Narayana School | 29/1/25 07:30 |
| Alex | Secrieru | Moldova | LT “Orizont” | 30/1/25 08:47 |
| Damjan | Stojanov | North Macedonia | Yahya Kemal Skopje | 31/1/25 21:24 |
| Pavel | Bulanov | School #533 | 1/2/25 19:15 | |
| Aljaž | Erman | Slovenia | Gimnazija Kranj | 1/2/25 21:34 |
| Alexandra | Stefanova-Razumnaya | 239 | 2/2/25 12:05 | |
| Tomas | Razbadauskas | Lithuania | Kaunas University of Technology Gymnasium | 2/2/25 19:47 |
| Francesco | Gariglio | Italy | IIS Majorana Moncalieri | 8/2/25 15:19 |
| Artyom | Eryomin | Lyceum №23 | 8/2/25 16:42 | |
| Zander | Li | Canada | Laurel Heights Secondary School | 9/2/25 18:58 |
| Chetan | Malviya | INDIA | Narayana e-Techno School – Mumbai | 10/2/25 07:52 |
| Luca | Gâlea | Romania | National College Iasi | 10/2/25 21:46 |
| Kai Xin | Chen | China | GuangDong ShiYan middle school – ShenZhen High school. | 11/2/25 14:19 |
| Ilya | Pavlov | ПФМЛ №239 | 12/2/25 22:14 | |
| Mikhail | Lazarev | Letovo School | 15/2/25 09:15 | |
| Saurya | Shrestha | Nepal | St. Xavier’s College, Nepal | 15/2/25 21:28 |
| Daniils | Koselevs | Latvia | Jauno Lideru Vidusskola | 15/2/25 21:38 |
| Zeyneb | Mehemmedli | Azerbaijan | TTEL | 15/2/25 21:58 |
| Amrit | Raj | India | Maa Bharti Sr. Sec. School | 16/2/25 06:28 |
| Enej | Jauk | Slovenia | Gimnazija Bežigrad | 16/2/25 11:33 |
| Mahammad | Jafarli | Azerbaijan | Technical-Humanitarian Lyceum | 22/2/25 10:40 |
| Yisi | Liu | China | The First High School of Changsha | 22/2/25 16:23 |
| Subhanshu | Yadav | India | FIITJEE | 23/2/25 20:57 |
| Alp | Terliksiz | Türkiye | Enka Science and Technology Highschool | 24/2/25 11:51 |
| Oytun | Er | Türkiye | Kadıköy Anatolian Highschool | 28/2/25 18:38 |
| Raiq Babazade | Murad Khalil, Ibrahim Valehli | Azerbaijan | Physics, Mathematics and Informatics lyceum | 28/2/25 18:58 |
| Tanay | Tekade | India | School of Scholars | 1/3/25 08:22 |
| Tejas Penugonda | Talha Ashraf | India/Pakistan | Nixor College | 1/3/25 19:15 |
| Ilya | Shpakov | Kapitza lyceum | 1/3/25 23:43 | |
| Tuncay | Amiraslanli | Azerbaijan | Sumgait school N23 | 2/3/25 11:06 |
| Rahul | Nandi | Bangladesh | Chattogram College | 2/3/25 12:57 |
| Maxim | Osatskiy | LETOVO School | 3/3/25 20:00 | |
| Carlo | Di Lorenzo | Italy | Liceo Newton Chivasso | 8/3/25 17:30 |
| Saskia | Põldmaa | Estonia | Tallinn Secondary School of Sciences | 9/3/25 10:46 |
| Aditya | Das Jitu | Bangladesh | Chattogram College | 10/3/25 17:39 |
| Italo | Vidaurre | El Salvador | Programa Jovenes Talento | 14/3/25 18:20 |
Correct solutions by university students:
| First name | Surname | Country | University | P4 date time DD/MM/YY 00:00 |
| Dženan | Midžić | Bosnia and Herzegovina | University of Rijeka | 26/1/25 14:34 |
| Guy | Ginzberg | Israel | The Open University of Israel | 26/1/25 15:58 |
| Ilan Mihelja | Ivan Hegedić | Croatia | University of Zagreb, EPFL | 26/1/25 16:53 |
| Iaroslav | Pozdniak | Moscow Institute of Physics and Technology | 27/1/25 01:32 | |
| Adrian, Bruno, Daniel | Serrano Capatina, Pontecorvo, Gonzalez Filipov | Switzerland | École Polytechnique Fédérale de Lausanne | 27/1/25 16:55 |
| Qirui | HE | Hong Kong | Chinese University of Hong Kong | 28/1/25 03:03 |
| Eric | Wang | United States | Massachusetts Institute of Technology | 30/1/25 00:45 |
| Dhruv | Shah | India | Massachusetts Institute of Technology | 2/2/25 16:27 |
| Emerson Franzua | Aldana Gavarrete | Honduras | Universidad Nacional Autónoma de Honduras | 7/2/25 01:35 |
| Hui Xiang | Sim | Singapore | National University of Singapore | 7/2/25 04:53 |
| Konstantin | Rodionenko | ITMO University | 23/2/25 12:50 | |
| Marco | Altamura | Italy | Università di Padova | 23/2/25 12:56 |
| Štěpán | Plass | Czech Republic | Univerzita Karlova | 25/2/25 18:25 |
| Sifat Ahmed | Tushar | Bangladesh | University of Dhaka | 5/3/25 17:22 |
| Larrance | United States | University of Chicago | 15/3/25 04:43 | |
| Marinus | Lehmann | Germany | University of Potsdam | 15/3/25 16:29 |
| Michał | Kołodziejczyk | Poland | Warsaw University of Technology | 22/3/25 20:26 |