Primes which contain only one odd digit: Difference between revisions
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(→{{header|Haskell}}: Added a Haskell version) |
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------------------ ONE ODD DECIMAL DIGIT ----------------- |
------------------ ONE ODD DECIMAL DIGIT ----------------- |
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oneOddDecimalDigit :: Int -> Bool |
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oneOddDecimalDigit = |
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singleOddDecimalDigit = |
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(1 ==) . length . filter odd . digits |
(1 ==) . length . filter odd . digits |
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sampleBelow :: Int -> [Int] |
sampleBelow :: Int -> [Int] |
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sampleBelow = |
sampleBelow = |
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filter |
filter oneOddDecimalDigit |
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. flip takeWhile primes |
. flip takeWhile primes |
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. (>) |
. (>) |