Smallest number with sum of digits as N and divisible by 10^N.

DS_ALGO_Strings_001.kt

import kotlin.system.*
import kotlin.contracts.*

fun main() {

    fun minValue(n : Int){
        
        fun printZeros(){
        	print("0")
    	}
    
    	fun printNines(){
        	print("9")
    	}
    
        fun printInitial(){
            val x = n % 9
            if(x != 0) print("$x")
        } 
        
        if(n <= 9){
            print("$n")
            repeat(n){printZeros()}
        }else{
            print("${n % 9}")
            repeat(n / 9){printNines()}
            repeat(n){printZeros()}
        }
    }
    
    minValue(20)
}