MathDB

10

Part of 2019 Bangladesh Mathematical Olympiad

Problems(1)

Hard one?

Source: BDMO National Secondary Q10 2019

3/2/2019
Given 2020āˆ—20202020*2020 chessboard, what is the maximum number of warriors you can put on its cells such that no two warriors attack each other. Warrior is a special chess piece which can move either 33 steps forward and one step sideward and 22 step forward and 22 step sideward in any direction.
number theory