By February 15th, there were 1926 registered participants from 103 countries. In total, 32 solutions have been submitted for the fourth problem, out of which 12 were correct.
Correct solutions by pre-university students:
| First name | Surname | Country | School | P4 date time DD/MM/YY 00:00:00 |
| Qingxiang | Liao | China | Shenzhen College of International Education | 3/2/26 07:36 |
| Siddhaarth | Dharani | Singapore | Gap Year | 6/2/26 18:36 |
Correct solutions by university students:
| First name | Surname | Country | University | P4 date time DD/MM/YY 00:00:00 |
| Vinícius | Ferreira Rodrigues | Brazil | University of Iowa | 2/2/26 03:29 |
| Joshua | Wang | United States | MIT | 3/2/26 09:15 |
| Shihao | Ye | China | Tsinghua University | 4/2/26 11:05 |
| Vaibhav | V | India | United Institute of Technology | 4/2/26 15:34 |
| Kadyrberdi | Yazdurdiev | Turkmenistan | Magtymguly Turkmen State University | 6/2/26 10:50 |
| Guy | Ginzberg | Israel | Open University of Israel | 8/2/26 13:04 |
| Jonathan | Burger | Germany | Karlsruher Institut für Technologie | 8/2/26 15:16 |
| Arslan | Jumayev | Turkmenistan | Magtymguly Turkmen State University | 8/2/26 18:53 |
| Kushal | Thaman | India | Stanford University | 9/2/26 06:58 |
| Erik | Kaniewski | Estonia | Taltech | 14/2/26 15:45 |