0 or 1 checkers in 8x8 board (2023 Auckland MO p3)
Source:
March 26, 2024
algebranumber theory
Problem Statement
Each square on an checkers board contains either one or zero checkers. The number of checkers in each row is a multiple of , the number of checkers in each column is a multiple of . Assuming the top left corner of the board is shown below, how many checkers are used in total?
https://cdn.artofproblemsolving.com/attachments/0/8/e46929e7ec3fff9be4892ef954ae299e0cb8c7.png