java例程练习（东软笔试题[n阶平面魔方]）

import java.util.Scanner;

public class MoFang {
public static void main(String[] args) {
System.out.println("输入行(列)数：");
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();

int[][] a = new int[n][n];
int i = 0;
int j = n / 2;

//算法精要
for (int k = 1; k <= n * n; k++) {
a[i][j] = k;

if (k % n == 0) {
i = (i + 1) % n;
} else {
i = (i - 1 + n) % n;
j = (j + 1 ) % n;
}
}

for (int k = 0; k < a.length; k++) {
for (int r = 0; r < a[k].length; r++) {
System.out.print(a[k][r] + "\t");
}
System.out.println();
}
}
}

摘自 Yours风之恋