Baekjoon(Kotlin) - 2447. 별 찍기 - 10

URL : https://www.acmicpc.net/problem/2447

2447번: 별 찍기 - 10

 

[ RESULT ]

val br = System.`in`.bufferedReader()
val bw = System.`out`.bufferedWriter()

fun main() {

    val N = br.readLine()!!.toInt()

    for (i in 0 until N) {
        for (j in 0 until N) Star(j, i, N)
        bw.write("\n")
    }
    br.close()
    bw.close()
}

fun Star(x: Int, y: Int, N: Int) {
    if((x / N) % 3 == 1 && (y / N) % 3 == 1) bw.write(" ")
    else if(N / 3 == 0) bw.write("*")
    else Star(x, y, N / 3)
}