Problem 1
  • 21 Dec 2021
  • مشاريع طلابية - ACM

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.


Finish the solution so that it returns the sum of all the multiples of 3 or 5 below the number passed in. Additionally, if the number is negative, return 0 (for languages that do have them).


Note: If the number is a multiple of both 3 and 5, only count it once.

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