Largest proper divisor of n: Difference between revisions
→{{header|Ruby}}: Add Ruby
(Largest proper divisor of n en True BASIC) |
(→{{header|Ruby}}: Add Ruby) |
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13 46 31 47 19 48 1 49 33 50
done...
</pre>
=={{header|Ruby}}==
<lang ruby>def a(n)
return 1 if n == 1
(n/2).downto(1).detect{|d| n.remainder(d) == 0}
end
(1..100).map{|n| a(n).to_s.rjust(3)}.each_slice(10){|slice| puts slice.join}
</lang>
{{out}}
<pre> 1 1 1 2 1 3 1 4 3 5
1 6 1 7 5 8 1 9 1 10
7 11 1 12 5 13 9 14 1 15
1 16 11 17 7 18 1 19 13 20
1 21 1 22 15 23 1 24 7 25
17 26 1 27 11 28 19 29 1 30
1 31 21 32 13 33 1 34 23 35
1 36 1 37 25 38 11 39 1 40
27 41 1 42 17 43 29 44 1 45
13 46 31 47 19 48 1 49 33 50
</pre>
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