codility

same_sum_of_disassemble_of_N.kt

fun main() {
    println(solution(28))
    println(solution(734))
    println(solution(1990))
    println(solution(1000))
}

fun solution(N: Int): Int {
    val target = sumOfDisassembledN(N)
    var n = N
    do {
        n += 1
        val sum = sumOfDisassembledN(n)
    } while (sum != target)

    return n
}

fun sumOfDisassembledN(N: Int): Int {
    var sum = 0
    var n = N
    while (n > 0) {
        sum += n % 10
        n /= 10
    }

    return sum
}