MathDB

1

Part of 2014 Silk Road

Problems(1)

SRMC 2014 problem 1

Source: SRMC 2014

4/1/2014
What is the maximum number of coins can be arranged in cells of the table n×nn \times n (each cell is not more of the one coin) so that any coin was not simultaneously below and to the right than any other?
combinatorics proposedcombinatorics