正Man's World

using System;

class MagicM
{

    static void Main()
    {
        do
        {
            int[,] mm;
            MagicM myClass1 = new MagicM();
            int n;
            Console.WriteLine("請輸入矩陣大小 : ");
            n = int.Parse(Console.ReadLine());

            if (n == 0)
            {
                Console.WriteLine("請按 ENTER 離開 !! ");
                break;
            }
            if (n % 2 == 0)
            {
                Console.WriteLine("請輸入奇數 : ");
                continue;
            }
            mm = new int[n, n];
            myClass1.AssingValue(n, mm);
            myClass1.PrintOut(n, mm);
            Console.WriteLine("\n");
        } while (true);
        Console.ReadLine();

    }

    void AssingValue(int n, int[,] mm)
    {
        int assingValue = 1;
        int p = n - 1;
        int column = p / 2;
        int row = 0;
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                mm[i, j] = 0;
            }
        }

        mm[row, column] = assingValue;

        do
        {
            assingValue++;
            column--;
            row--;
            if (column < 0 & row < 0)
            {
                row += 2;
                column += 1;
            }
            else
            {
                if (column < 0)
                    column = p;

                if (row < 0)
                    row = p;
            }
            if (mm[row, column] != 0)
            {
                column += 1;
                row += 2;
            }
            mm[row, column] = assingValue;

        } while (assingValue < n * n);

    }
    void PrintOut(int n, int[,] mm)
    {
        for (int i = 0; i < n; i++)
        {
            Console.WriteLine();
            for (int j = 0; j < n; j++)
            {
                Console.Write(mm[i, j] + "\t");
            }
        }
    }
}