Positive decimal integers with the digit 1 occurring exactly twice: Difference between revisions
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Found 27 such numbers. |
Found 27 such numbers. |
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</pre> |
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=={{header|Julia}}== |
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<lang julia>totalddigisn(x, d = 1, n = 2; base=10) = count(j -> j == d, digits(x; base)) == n |
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println(filter(totalddigisn, 1:1000)) |
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</lang>{{out}} |
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<pre> |
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[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] |
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</pre> |
</pre> |
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