MathDB

573

Part of 1992 All Soviet Union Mathematical Olympiad

Problems(1)

ASU 573 Commonwealth of Independent States 1991 graph,17 p. 4 edges

Source:

8/15/2019
A graph has 1717 points and each point has 44 edges. Show that there are two points which are not joined and which are not both joined to the same point.
graphedgescombinatorics