perplexus.info :: Numbers : From Minus One to Plus One

From Minus One to Plus One (Posted on 2007-06-13)

 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+
 |   |   |   |   |
 +---+---+---+---+

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.

Submitted by Josie Faulkner

Rating: 4.4000 (5 votes)

Solution: (Hide)

+---+---+---+---+ | 1 | 1 | 1 | 1 |4 +---+---+---+---+ | 0 |-1 |-1 |-1 |-3 +---+---+---+---+ | 1 | 1 |-1 | 0 |1 +---+---+---+---+ | 1 | 1 |-1 |-1 |0 +---+---+---+---+ 3 2 -2 -1

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Proposed Puzzle Answer	K Sengupta	2022-02-20 23:21:37
general solution for even	Jer	2007-06-14 14:22:27
re: computer solution	Jer	2007-06-14 09:05:22
re: computer solution	Josie Faulkner	2007-06-13 16:50:43
computer solution	Charlie	2007-06-13 16:13:57
re: One answer	Josie Faulkner	2007-06-13 15:33:29
One answer	Joe	2007-06-13 14:40:21

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