Y by
In each cell of an
grid, one of the numbers
,
or
must be written. Determine all positive integers
for which there exists a way to fill the
grid such that, when calculating the sum of the numbers in each row and each column, the numbers
are obtained in some order.







This post has been edited 1 time. Last edited by rilarfer, Aug 9, 2023, 9:42 PM