Problem 44685. Draw 'B'

Majid Farzaneh

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Draw a x-by-x matrix 'B' using 1 and 0. (x is odd and bigger than 4)

Example:

x=5
ans=
[1 1 1 1 0
 1 0 0 0 1
 1 1 1 1 0
 1 0 0 0 1
 1 1 1 1 0]
x=7
ans=
[1 1 1 1 1 1 0
 1 0 0 0 0 0 1
 1 0 0 0 0 0 1
 1 1 1 1 1 1 0 
 1 0 0 0 0 0 1
 1 0 0 0 0 0 1
 1 1 1 1 1 1 0]

Solve

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2519 Solutions

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Last Solution submitted on Feb 04, 2026

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Problem Comments

3 Comments

Mohammadreza on 12 Aug 2019

PLS add U and S in this group.

KN on 2 Mar 2022

B is for Bicycle!

Arvind on 17 Jul 2023

Easy but interesting challenges.

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