getMx

import kotlin.math.min

fun getMx(height: Int, width: Int): Array<Array<Int>> {
    val mx = Array(height) {Array(width) {0} }
    for (i in 0 until height) {
        for (j in 0 until width) {
            mx[i][j] = min (
                    min(i, j),
                    min(height-1-i, width-1-j)
            )
        }
    }
    return mx
}

fun main(args: Array<String>) {
    getMx(5,5).forEach { row ->
        row.forEach { print(it) }
        println()
    }
}