Jewels and stones

Jewels and stones is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.

See details: Jewels and Stones

Kotlin

<lang scala>// Version 1.2.40

fun countJewels(s: String, j: String) = s.count { it in j }

fun main(args: Array<String>) {

   println(countJewels("aAAbbbb", "aA"))
   println(countJewels("ZZ", "z"))

}</lang>

Output:

3
0

Ring

<lang ring>

1. Project Jewels and Stones
2. Date 2018/04/25
3. Author Gal Zsolt (~ CalmoSoft ~)
4. Email <calmosoft@gmail.com>

jewels = "aA" stones = "aAAbbbb" see jewelsandstones(jewels,stones) + nl jewels = "z" stones = "ZZ" see jewelsandstones(jewels,stones) + nl

func jewelsandstones(jewels,stones)

       num = 0
       for n = 1 to len(stones)
            pos = substr(jewels,stones[n])
            if pos > 0
               num = num + 1
            ok
       next
       return num

</lang> Output:

3
0