Submission #71667942

---

Source Code Expand

fun main() {
    val cin = System.`in`.bufferedReader()
    val cout = System.out.bufferedWriter()

    var n = cin.readLine().toInt()
    val ans = Array(n) { IntArray(n) }
    var k = 1
    var r = 0
    var c = n/2
    for (i in 0 until n*n) {
        ans[r][c]=k++
        if (ans[(r-1+n)%n][(c+1)%n]==0) {
            r=(r-1+n)%n
            c=(c+1)%n
        } else {
            r=(r+1)%n
        }
    }
    for (i in 0 until n) {
        cout.write("${ans[i].joinToString(separator = " ")}\n")
    }
    cout.flush()
}

Submission Info

Judge Result