| Countries | Solved |
|---|---|
| Bangladesh | 123403 |
| India | 720 |
| United Kingdom | 714 |
| Germany | 241 |
| United States | 193 |
| Japan | 171 |
| Ghana | 139 |
| France | 95 |
| China | 93 |
| Bhutan | 81 |
| Belarus | 64 |
| Russia | 60 |
| Vietnam | 54 |
| Czech Republic | 49 |
| Netherlands | 48 |
| Singapore | 47 |
| Kyrgyzstan | 38 |
| Cuba | 37 |
| Algeria | 35 |
| Poland | 35 |
| Ukraine | 35 |
| Pakistan | 34 |
| Canada | 33 |
| Taiwan | 31 |
| Morocco | 30 |
