Problem 50912. Draw a '0' in a one matrix!

Created by Szász Botond

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Given a x-by-x matrix filled with ones (x is odd and > 3). Use 0s to draw a number 0 into it! Like this:
x = 5, y =
0	0	0	1
1	1	1	0
1	1	1	0
1	1	1	0
0	0	0	1
x = 7, y = 
0	0	0	0	0	1
1	1	1	1	1	0
1	1	1	1	1	0
1	1	1	1	1	0
1	1	1	1	1	0
1	1	1	1	1	0
0	0	0	0	0	1

Solve

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Last Solution submitted on May 13, 2025

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2 Comments

Jesús on 8 Aug 2022

I got the output to be identical to the assertions, but somehow it detects it as assertion failed. Is there an issue with the test cases?

Aaron on 12 Dec 2022

Nice one

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Problem 50912. Draw a '0' in a one matrix!

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Problem 50912. Draw a '0' in a one matrix!

Solution Stats

Last 200 Solutions

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Problem Recent Solvers1465

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More from this Author12

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