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21 lines
643 B
Haskell
21 lines
643 B
Haskell
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{- What is the smallest number divisible by each of the numbers 1 to 20?
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2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
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What is the smallest number that is evenly divisible by all of the numbers from 1 to 20?
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-}
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import Text.Printf
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divisible n =
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divisible_ n n 1
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divisible_ _ 1 x = x
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divisible_ n c x
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| x `rem` c == 0 = divisible_ n (c - 1) x
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| otherwise = divisible_ n n (x + 1)
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main = do
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printf "Foo\n"
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printf "Smallest number divisible by 1-10: %d\n" (divisible 10 :: Integer)
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printf "Smallest number divisible by 1-20: %d\n" (divisible 20 :: Integer)
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