Editorial for Số lượng số hạng


Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.

Submitting an official solution before solving the problem yourself is a bannable offence.

Authors: SPyofgame


Spoiler Alert


Hint 1

  • \(res = \frac{n - 1}{2} - 1 + 1 = \frac{n - 1}{2}\)


Comments

There are no comments at the moment.