Who can figure out how this code works?

Question

https://code.sololearn.com/ck10Df0m9Xoe/?ref=app

Answer 1

I would have tried but don't know c++ & this question was not noticed it seems. post a new question and delete this one.
PS: with the don't try at home something suspicious...

Answer 2

I tried but did not succeed ...
Do you allow me to have a revenge ? I'll show you a code, and just read the output (not the code) and you'll know what to do ;)

Answer 3

@Lord Krishna
By "don't try it at home" I mean that it's a bad idea to implement something like that in your real code. That helloworld abuses some bad techniques.

Answer 4

@Baptiste E. Prunier
I looked at the code. It must make me disqualified.

Answer 5

Nobody wants to play? 😞