GDK 2018; Offline meetup JAKARTA @ Universitas Trilogi

// GDK 2018; Offline meetup JAKARTA @ Universitas Trilogi
fun main(args: Array<String>) {
    val a = arrayOf(arrayOf(1,1,1),
                    arrayOf(1,0,1),
                    arrayOf(1,1,1))
    val sum = a[0][0] + a[0][1] + a[0][2]
            + a[1][0] + a[1][1] + a[1][2]
            + a[2][0] + a[2][1] + a[2][2]
    println(sum)
}
// Answer: 3