web/Main.kt

fun countDenum(number: Int, denum: Int): Int
{
    var count = 0;
    var curNum = number;
    val remainder = BooleanArray(1000, {false})
    remainder[0] = true;

    do {
        count++;
        remainder[curNum] = true;
        curNum *= 10;
        var intPart = curNum / denum;
        var tail = curNum - intPart * denum;
        curNum = tail;
    } while(!remainder[curNum])

    if(curNum == 0)
        return 0;
    return count;
}

fun main() {
    var maxLengthNumber = 1;
    var maxLength = 0;
    for (i in 2..1000) {
        val length = countDenum(1,i);
        if (length > maxLength)
        {
            maxLengthNumber = i;
            maxLength = length;
        }
        println("$i, $length");
    }
    println("$maxLengthNumber, $maxLength");
}