Top Countries
| Countries | Solved |
|---|---|
| Bangladesh | 139k |
| India | 789 |
| United Kingdom | 737 |
| United States | 285 |
| Germany | 246 |
| Belarus | 205 |
| Japan | 176 |
| Ghana | 149 |
| China | 109 |
| Singapore | 103 |
| France | 95 |
| Ukraine | 93 |
| Bhutan | 85 |
| Russia | 67 |
| Vietnam | 60 |
| Czech Republic | 49 |
| Netherlands | 48 |
| Kyrgyzstan | 47 |
| Cuba | 37 |
| Algeria | 35 |
| Poland | 35 |
| Canada | 33 |
| Taiwan | 32 |
| Morocco | 30 |
| Kazakhstan | 29 |
| Uganda | 25 |
| Malaysia | 24 |
| Azerbaijan | 20 |
| Italy | 20 |
| Hong Kong | 17 |
| Philippines | 17 |
| Turkey | 15 |
| Dominican Republic | 13 |
| Indonesia | 11 |
| Nepal | 11 |
| Pakistan | 11 |
| Romania | 11 |
| Mexico | 10 |
| Australia | 8 |
| Sri Lanka | 8 |
| Chad | 8 |
| Brazil | 7 |
| Iran | 7 |
| Antarctica | 6 |
| Argentina | 6 |
| Uzbekistan | 6 |
| Israel | 5 |
| United Arab Emirates | 3 |
| New Zealand | 3 |
| Peru | 3 |
