By 16th May 2021, there are 1061 registered participants from 71 countries (the list of countries is given below). During the first five weeks, 18 solutions were submitted, out of which six were correct
Correct solutions were submitted by:
| First Name | Surname | Country | School/University | date | time |
| Nikita | Semenin | Russia | Moscow Institute of Physics and Technology | 26/04/2021 | 20:39 |
| Zhening | Li | Canada | Sir John A. Macdonald Secondary School | 02/05/2021 | 14:07 |
| Huiyuan | Wang | China | University of Cambridge | 02/05/2021 | 17:07 |
| Kyle | Bomeisl | United States | Rutgers University | 02/06/2021 | 11:07 |
| Vlad-Ștefan | Oros | Romania | “Grigore Moisil” Informatics High School | 03/06/2021 | 09:31 |
Participating countries: Algeria, Azerbaijan, Australia, Bangladesh, Belarus, Belgium, Bosnia and Herzegovina, Bolivia, Brazil, Bulgaria, Cambodia, Canada, China, Croatia, Czechia, Egypt, El Salvador, Estonia, Finland, Georgia, Germany, Greece, Hungary, India, Indonesia, Iran, Israel, Italy, Japan, Kazakhstan, Kenya, Korea, Kyrgyzstan, Latvia, Lebanon, Lithuania, Macedonia, Malaysia, Mexico, Moldova, Mongolia, Nepal, Nigeria, North Macedonia, Pakistan, Peru, Philippines, Poland, Romania, Russia, Saudi Arabia, Serbia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Thailand, Turkey, Turkmenistan, United Arab Emirates, United Kingdom, United States, Uzbekistan, Vietnam.