01. HardMatrix :)

Musing System;

class MatrixFour
{
    static void PrintMatrix(int[,] matrix)
    {
        for (int row = 0; row < matrix.GetLength(0); row++)
        {
            for (int col = 0; col < matrix.GetLength(1); col++)
            {
                Console.Write("{0,4}", matrix[row, col]);
            }
            Console.WriteLine();
            Console.WriteLine();
        }
    }
    static void Main()
    {
        int size = int.Parse(Console.ReadLine());
        int[,] matrix = new int[size, size];
        //int[] dirRow = { 1, 0, -1, 0 };
        //int[] dirCol = { 0, 1, 0, -1 };
        //bool ending = false;
        //while (!ending)
        //{
        //    while (true)
        //    {

        //    }
        //}
        int ending = size;
        int start = 0;
        int counter = 1;
        do
        {
            for (int i = start; i < ending; i++)
            {
                matrix[i, start] = counter;
                counter++;
            }
            for (int j = start+1; j < ending; j++)
            {
                matrix[ending - 1,j] = counter;
                counter++;
            }
            for (int k = ending - 2; k >= start; k--)
            {
                matrix[k,ending - 1] = counter;
                counter++;
            }
            for (int p = ending - 2; p >= start + 1; p--)
            {
                matrix[start, p] = counter;
                counter++;
            }
            start++;
            ending--;
        }
        while (ending - start > 0);
        PrintMatrix(matrix);
    }
}