Code Kata - Kyu 7 - sum-of-all-the-multiples-of-3-or-5

sum-of-all-the-multiples-of-3-or-5.swift

Description:

Your task is to write function findSum.

Upto and including n, this function will return the sum of all multiples of 3 and 5.

For example:

findSum(5) should return 8 (3 + 5)

findSum(10) should return 33 (3 + 5 + 6 + 9 + 10)

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func findSum(_ n: Int) -> Int {
    var sum = 0
    
    // loop over the entire range
    for i in 0...n {
      
        // Whenever a multiple of 3 or 5 is found, add it to our placeholder
        if i%3 == 0 || i%5 == 0 {
            sum += i
        }
    }
    return sum
}