2n+1 people are on the party, and for every n people there is one who knows them all.Prove that one man (or woman:)) knows all 2n+1 people.

This is very hard problem, and although it seams easy it can be quite tricky.

Good luck trying to solve it.

## Thursday, January 17, 2008

### Analysis

Subscribe to:
Post Comments (Atom)

## No comments:

Post a Comment