aqui.
I hope the authors of the problems D and E read this.
If you have questions, you are welcome to reply to this post.
The contest has been reopened for the next two weeks.
http://tiup.di.fc.ul.pt/~mooshak/
My guess for E is wrong, unfortunately. I running out of ideas what they are actually after in this problem.
http://tiup.di.fc.ul.pt/~mooshak/
My guess for E is wrong, unfortunately. I running out of ideas what they are actually after in this problem.