Super-d numbers: Difference between revisions
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import Data.Char (intToDigit) |
import Data.Char (intToDigit) |
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isSuperd :: (Show a, Integral a) => a -> a -> Bool |
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isSuperd p n = replicate (fromIntegral p) (intToDigit $ fromIntegral p) `isInfixOf` show (p * n ^ p) |
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findSuperd :: (Show a, Integral a) => a -> [a] |
findSuperd :: (Show a, Integral a) => a -> [a] |
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where go [] = [] |
where go [] = [] |
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go (n:ns) |
go (n:ns) |
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| |
| isSuperd p n = n : go ns |
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| otherwise = go ns |
| otherwise = go ns |
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main :: IO () |
main :: IO () |
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First 10 super-6 : [27257,272570,302693,323576,364509,502785,513675,537771,676657,678146] |
First 10 super-6 : [27257,272570,302693,323576,364509,502785,513675,537771,676657,678146] |
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</pre> |
</pre> |
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=={{header|J}}== |
=={{header|J}}== |
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<pre> |
<pre> |
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