Question

Can you fill a `5xx5` table with real numbers such that the sum of each row is positive, and the sum of each column is negative?

Difficulty level (1 very easy - 10 very hard): 2

Topics:
Combinatorics -> Double Counting Logic -> Reasoning / Logic Proof and Example -> Proof by Contradiction
Sources:
注讚讬 讚诪专讬 Avatar
注讚讬 讚诪专讬 - 5 years ago
诇讗

讘谞讬诪讬谉 诪专讝讜谉 Avatar
讘谞讬诪讬谉 诪专讝讜谉 - 4 years ago
诇讗

Authentication required

You must log in to post a comment.

Log in