By April 19th, there were 2132 registered participants from 104 countries. In total, 88 solutions have been submitted for the fifth problem, out of which 20 were correct.
Correct solutions by pre-university students:
| First name | Surname | Country | School | P5 date time DD/MM/YY 00:00:00 |
| Qingxiang | Liao | China | Shenzhen College of International Education | 24/4/26 13:37 |
| Nithilan | Ravikumar | India | Nil | 19/4/26 10:37 |
| Ivan | Ermolaev | Russia | School 2044, Moscow | 18/4/26 15:58 |
| Aadi | Singh | India | AIS-46 | 5/4/26 11:21 |
| Kanad | Bhattacharya | India | Deeksha STEM | 5/4/26 10:30 |
| Antonia | Radu | Romania | Colegiul National “Mihai Viteazul” Ploiesti | 22/3/26 10:20 |
| Dominik | Erdélyi | Hungary | Budapesti Fazekas Mihály Gimnázium | 15/3/26 23:30 |
| Miklós | Téti | Hungary | Budapesti Fazekas Mihály Gimnázium | 15/3/26 04:04 |
| Siddhaarth | Dharani | Singapore | Gap Year | 13/3/26 15:53 |
Correct solutions by university students:
| First name | Surname | Country | University | P5 date time DD/MM/YY 00:00:00 |
| Vaibhav | V | India | United Institute of Technology | 9/3/26 05:36 |
| Alessandro | D’Orazio | Italy | University of Pisa | 9/3/26 10:53 |
| Guy | Ginzberg | Israel | Open University of Israel | 9/3/26 14:54 |
| Larrance | United States | University of Chicago | 14/3/26 18:39 | |
| Joshua | Wang | United States | MIT | 15/3/26 11:02 |
| Jonathan | Burger | Germany | Karlsruher Institut für Technologie | 15/3/26 17:18 |
| Vinícius | Ferreira Rodrigues | Brazil | University of Iowa | 15/3/26 17:37 |
| Erik | Kaniewski | Estonia | Taltech | 16/3/26 09:10 |
| Alon | Hart | Israel | Hebrew University of Jerusalem | 21/3/26 18:10 |
| Nikhil | Kodali | United States | UC Irvine | 30/3/26 20:00 |
| Adrian | Rewkowski | Belarus | Jagiellonian University | 13/4/26 17:29 |