Gansters in Geometry

Question

anonymous · Answer

I don'y know about gangster but I'm in geometry :)

anonymous · Answer

don't*

anonymous · Answer

Ten gangsters are standing on a flat surface, and the distances
between them are all distinct. At twelve o’clock, when the church bells
start chiming, each of them fatally shoots the one among the other nine
gangsters who is the nearest. At least how many gangsters will be killed?

anonymous · Answer

lol

anonymous · Answer

problem asked in IRAN 2000 MATH olympiad

anonymous · Answer

IMO

anonymous · Answer

HINT "the problem can be reapeted as"
Given a set S
of ten points in the plane such that the distances between them are all
distinct, for each point P ∈ S we mark the point Q ∈ S \ {P} nearest to
P. Find the least possible number of marked points.

anonymous · Answer

i there any one who wants to see the solution