Why sololearn compiler needs internet???

Question

others desktop compiler like codeblocks works offline.

Answer 1

Because the code is processed/compiled on SL server, the code is sent, along with required input to the server, then server will try to compile the code, feeding it inputs as necessary, in sequence, regardless of process succeeded or not, server will return the request, if successful return output, otherwise, return error description.

Hth, cmiiw