All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers
From Minus One to Plus One (Posted on 2007-06-13) Difficulty: 3 of 5
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+

In each cell of the above matrix, place 1, -1 or 0 in such a way that each row and column has a different total.

The solution I have posted is not unique.

Can you make one more larger matrix with the same conditions?

The inspiration for this puzzle came from Anand Rao at Puzzleteasers.

See The Solution Submitted by Josie Faulkner    
Rating: 4.4000 (5 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsProposed Puzzle AnswerK Sengupta2022-02-20 23:21:37
Solutiongeneral solution for evenJer2007-06-14 14:22:27
re: computer solutionJer2007-06-14 09:05:22
re: computer solutionJosie Faulkner2007-06-13 16:50:43
Solutioncomputer solutionCharlie2007-06-13 16:13:57
re: One answerJosie Faulkner2007-06-13 15:33:29
One answerJoe2007-06-13 14:40:21
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (14)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information