Last contest problem c my solution passed pretests but got hacked. When I tried to resubmit it, it passed main tests.↵
↵
There is probably some solution that didn't get hacked.↵
↵
[HackedAC submission](https://mirror.codeforces.com/contest/1743/submission/176884004)↵
↵
[ACHacked submission](https://mirror.codeforces.com/contest/1743/submission/176720558) ↵
↵
There is probably some solution that didn't get hacked.↵
↵
[
↵
[
