The first hint for Problem 4 will be published on 27th November 2022, 13:00 GMT .
By 20th November 2022, 13:00 GMT, there are 926 participants from 84 countries. 112 solutions to P1 were submitted, out of which 12 were correct.
Correct solutions by university students:
| First name | Surname | Country | School/University | P1 date time DD/MM/YY 00:00:00 |
| Luca | Milanese | Italy | Scuola Normale Superiore di Pisa | 13/11/2022 13:52:00 |
| Bayram Alp | Şahin | Turkey | Bogazici University | 13/11/2022 15:10:00 |
| 展硕 | 汤 | China | Tsinghua University | 14/11/2022 13:43:00 |
| Bowen | Tan | China | Jilin Normal University | 15/11/2022 10:55:00 |
| Eyal | Walach | Israel | Bar-Ilan University | 15/11/2022 22:26:00 |
| Nianqing | Wan | China | Shanghai University | 20/11/2022 08:08:00 |
Correct solutions by pre-university students:
| First name | Surname | Country | School/University | P1 date time DD/MM/YY 00:00:00 |
| Vlad-Ștefan | Oros | Romania | “Grigore Moisil” Theoretical High School | 13/11/2022 13:46:00 |
| Guglielmo | Di Grazia | Italy | Liceo Lorenzini Pescia | 13/11/2022 20:08:00 |
| Adam | Džavoronok | Slovakia | Gymnázium, Poštová 9 | 17/11/2022 10:36:00 |
| Aditya | – | India | FIITJEE | 18/11/2022 07:23:00 |
| Chung Wang | Lam | Hong Kong | St. Paul’s Co-educational College | 20/11/2022 05:34:00 |
| Andrei-Darius | Dragomir | Romania | International Computer Highschool of Bucharest (ICHB) | 20/11/2022 12:59:00 |
The list of countries:
Algeria, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Belarus, Belgium, Bosnia and Herzegovina, Brazil, Bulgaria, Cambodia, Cameroon, Canada, China, Croatia, Cuba, Czech Republic, Ecuador, Egypt, El Salvador, Estonia, Finland, France, Georgia, Germany, Greece, Guatemala, Honduras, Hong Kong, Hungary, India, Indonesia, Iran, Israel, Italy, Japan, Kazakhstan, Kenya, Kosovo, Kyrgyzstan, Latvia, Lithuania, Macau, Malaysia, Mexico, Moldova, Montenegro, Nepal, Netherlands, Nigeria, North Macedonia, Pakistan, Peru, Philippines, Poland, Romania, Russia, Rwanda, Saudi Arabia, Serbia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Arab Emirates, United Kingdom, United States, Uzbekistan, Vietnam