Brebenel Mihnea

> i'm not sure if this really fathoms a focus problem. I've never used this in my life. I think it's better off if this goes to like a starred...

@SansPapyrus683 Should the problem be moved to practice problems like envy said ?

@envyaims or @ryanchou-dev can you approve and merge please ?

Ok I will look it over

https://cses.fi/problemset/result/9602931/

I'll add the proofs in other PR.

Ok I made the changes.

The code doesn't get AC without standard C I/O

 https://codeforces.com/contest/982/submission/261074232

@SansPapyrus683 finally merge ?