Positive decimal integers with the digit 1 occurring exactly twice: Difference between revisions
Positive decimal integers with the digit 1 occurring exactly twice (view source)
Revision as of 16:31, 28 July 2021
, 2 years agoAdded Sidef
Catskill549 (talk | contribs) (added AWK) |
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Found 27 numbers
done...
</pre>
=={{header|Sidef}}==
<lang ruby>say (1..1000 -> grep { .digits.count { _ == 1 } == 2 })</lang>
{{out}}
<pre>
[11, 101, 110, 112, 113, 114, 115, 116, 117, 118, 119, 121, 131, 141, 151, 161, 171, 181, 191, 211, 311, 411, 511, 611, 711, 811, 911]
</pre>
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