There is a \(0\) in each cell of a \(20\times 20\) square grid. You are permitted to perform the following step as many times as you want:

Choose a row or a column, and replace the numbers in it with the numbers \(1, 2, 3, \dots, 20\) in an order of your choosing.

What is the maximum possible sum of the numbers in the square?

×

Problem Loading...

Note Loading...

Set Loading...