Y by
Let
. Two subsets
and
of
are said to be friends if the following conditions are true:
that are friends such that each one of them contains at least
elements.[/quote]




- They do not share any elements.
- They both have the same number of elements.
- The product of all elements from
equals the product of all elements from
.


This post has been edited 1 time. Last edited by Titibuuu, Today at 8:58 AM