zerobasedindex

enum class Team {
    RED,
    BLACK,
    EMPTY;
    
    override fun toString(): String = when (this) {
        RED -> "R"
        BLACK -> "B"
        EMPTY -> "O"
    }

zerobasedindex

enum class Team {
    RED,
    BLACK,
    EMPTY;
    
    override fun toString(): String = when (this) {
        RED -> "R"
        BLACK -> "B"
        EMPTY -> "O"
    }

zerobasedindex

import java.util.Random;

fun pickRandomPercentage(counts: Array<Pair<Int, Int>>): Int {
    val total = counts.sumBy { src -> src.second }
    
    println("Total: ${total}")
    var random = Random().nextInt(total) + 1 // Random inclusive between 1 and total
    
    for ((value, count) in counts) {
        println("Random: ${random} Value: ${value} Count ${count}")