IMO 2010 Shortlist C41
. Same as Problem C4, but the constant 201020102010 is replaced by 20102010 . (Netherlands)
Category: Combinatorics
Problem
. Same as Problem C4, but the constant 201020102010 is replaced by 20102010 . (Netherlands)
. Same as Problem C4, but the constant 201020102010 is replaced by 20102010 . (Netherlands)
Category: Combinatorics
. Same as Problem C4, but the constant 201020102010 is replaced by 20102010 . (Netherlands)