What does Sololearn mean by winning challenges with one weapon?

Question

I know this is not a code-related question..but I would like to know what Sololearn means for one to win multiple challenges using one weapon. Please do not crucify me for asking.

Answer 1

The term weapon generally just refers to any language that you can use to challenge people with. Winning a certain number of challenges with one weapon is just the same as saying that you won a certain number of challenges in one language.

Answer 2

where can I find those challenges?

Answer 3

You can find some at the end of some languages, such as the end of C++.