MathDB

8.5

Part of 1996 All-Russian Olympiad Regional Round

Problems(1)

chips on 8x8 board - All-Russian MO 1996 Regional (R4) 8.5

Source:

9/23/2024
Is it possible to arrange the chips in the cells of an 8×88 \times 8 board so that in any two columns the number of chips is the same, and in any two lines are different?
combinatorics