Discussion @ 1194. Handshakes @ Timus Online Judge

Nguyen Trung Hieu Can understand this problems statement mean [1] // Problem 1194. Handshakes 26 Sep 2013 13:35

Someone can explain the example test case and how this work for me? I read this problem many many times but still can't understand what this mean :(

BillSu Re: Can understand this problems statement mean // Problem 1194. Handshakes 27 Apr 2014 10:32

You have to get inside the Author's head, and ask him/her.
I am not going to be bothered with such problem any more.

Discussion of Problem 1194. Handshakes