Sum of Multiples

Ringkasan Tantangan

Given a number, find the sum of all the multiples of particular numbers up to but not including that number.

Visit the sum-of-multiples exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

Lihat Solusi Komunitas

The following are the top 3 community solutions by stars:

Solution 1 by @glennj (⭐ 0) — View on Exercism
Solution 2 by @nzok (⭐ 2) — View on Exercism
Solution 3 by @vishall (⭐ 0) — View on Exercism

Source: Exercism sml/sum-of-multiples

💡 Lihat Solusi

local
  fun range (a: int) (b: int): int list =
    List.tabulate (b - a + 1, fn i => a + i)
  
  fun hasFactor (factors: int list) (n: int): bool =
    List.exists (fn f => n mod f = 0) factors
  
  val addUp = List.foldl op+ 0
in
  fun sum (factors: int list, limit: int): int =