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@myuon_myon(高階 射)

Project Euler/problem 1

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problem 1

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Find the sum of all the multiples of 3 or 5 below 1000.

problem1.hs
main = print $ sum [x|x<-[1..999], x `mod` 3 == 0 || x `mod` 5 ==0]
answer
233168
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