Four sides of square: Difference between revisions
→{{header|Ruby}}: Add Ruby
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[http://keptarhely.eu/view.php?file=20220218v00x6hugz.jpeg Four sides of square]
=={{header|Ruby}}==
<syntaxhighlight lang="ruby">def square_sides(size = 9)
Array.new(size){|n| n==0 || n==size-1 ? [1]*size : [1]+[0]*(size-2)+[1]}
end
puts square_sides.map{|line| line.join (" ") }
</syntaxhighlight>
{{out}}
<pre>1 1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 1
1 1 1 1 1 1 1 1 1
</pre>
=={{header|Sidef}}==
<syntaxhighlight lang="ruby">var n = 5
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