using System.Text;
using System.Threading.Tasks;

namespace Wuziqi
{
    class Program
    {
        #region 棋盘的展示
        /// <summary>
        /// 棋盘的展示
        /// </summary>
        /// <param name="array">表示正方形棋盘的二维数组</param>
        /// <param name="x">棋盘的长度</param>
        static void game(int[,] array, int x)
        {
            for (int i = 0; i < x; i++)
            {
                for (int j = 0; j < x; j++)
                {
                    Console.Write(array[i, j] + "  ");
                }
                Console.WriteLine();
            }
        }
        #endregion
        #region 游戏运行
        static void start(ref bool whitemove, int[,] array, int x, ref int round)
        {
            int row = 0, column = 0;
            if (whitemove == true)
            {
                Console.WriteLine("该白子移动了。");
                Console.WriteLine("请输入要走的行数");
                row = int.Parse(Console.ReadLine());
                Console.WriteLine("请输入要走的列数");
                column = int.Parse(Console.ReadLine());
            }
            else
            {
                Console.WriteLine("该黑子移动了。");
                Console.WriteLine("请输入要走的行数");
                row = int.Parse(Console.ReadLine());
                Console.WriteLine("请输入要走的列数");
                column = int.Parse(Console.ReadLine());
            }
            if (whitemove && array[row, column] == 0)
            {
                array[row, column] = 1;
                whitemove = false;
                round++;
                game(array, x);
            }
            else if (!whitemove && array[row, column] == 0)
            {
                array[row, column] = -1;
                whitemove = true;
                round++;
                game(array, x);
            }
            else
            {
                Console.WriteLine("此处已经有子了，请换个位置落子");
            }
        }
        #endregion
        #region 获胜判断
        /// <summary>
        /// 胜利的判断
        /// </summary>
        /// <param name="array">表示正方形棋盘的二维数组</param>
        /// <param name="x">长度</param>
        /// <param name="whitewin">白棋获胜条件</param>
        /// <param name="blackwin">黑棋获胜条件</param>
        static void win(int[,]array,int x,ref bool whitewin,ref bool blackwin)
        {
            //行获胜
            for (int hang = 0; hang < x; hang++)
            {
                for (int i = 0; i < x - 4; i++)
                {
                    int sum = 0;
                    for (int j = i; j < i + 5; j++)
                    {
                        sum += array[hang, j];
                    }
                    if (sum == 5)
                    {
                        whitewin = true;
                        break;
                    }
                    else if (sum == -5)
                    {
                        blackwin = true;
                        break;
                    }
                }
                if (whitewin == true || blackwin == true)
                {
                    break;
                }
            }
            //列获胜
            for (int lie = 0; lie < x; lie++)
            {
                for (int i = 0; i < x - 4; i++)
                {
                    int sum = 0;
                    for (int j = i; j < i + 5; j++)
                    {
                        sum += array[j, lie];
                    }
                    if (sum == 5)
                    {
                        whitewin = true;
                        break;
                    }
                    else if (sum == -5)
                    {
                        blackwin = true;
                        break;
                    }
                }
                if (whitewin == true || blackwin == true)
                {
                    break;
                }
            }
            // \获胜
            for (int hang = 0; hang < x - 5; hang++)
            {
                for (int lie = 0; lie < x - 5; lie++)
                {
                    int sum = 0;
                    for (int i = hang, j = lie; i < hang + 5 && j < lie + 5;)
                    {
                        sum += array[i, j];
                        i++; j++;
                    }
                    if (sum == 5)
                    {
                        whitewin = true;
                        break;
                    }
                    else if (sum == -5)
                    {
                        blackwin = true;
                        break;
                    }
                }
                if (whitewin == true || blackwin == true)
                {
                    break;
                }
            }
            // /获胜
            for (int hang = 0; hang < x - 5; hang++)
            {
                for (int lie = x-1; lie > 3; lie--)
                {
                    int sum = 0;
                    for (int i = hang, j = lie; i < hang + 5;)
                    {
                        sum += array[i, j];
                        i++; j--;
                    }
                    if (sum == 5)
                    {
                        whitewin = true;
                        break;
                    }
                    else if (sum == -5)
                    {
                        blackwin = true;
                        break;
                    }
                }
                if (whitewin == true || blackwin == true)
                {
                    break;
                }
            }
        }
        #endregion
        static void Main(string[] args)
        {

            int round = 0;
            int x = 15;
            int[,] array = new int[x, x];
            bool whitemove = true, whitewin = false, blackwin = false;
            while (true)
            {
                start(ref whitemove, array, x, ref round);
                win(array, x, ref whitewin, ref blackwin);
                if (round == 225)
                {
                    Console.WriteLine("平局");
                    break;
                }
                else if (whitewin)
                {
                    Console.WriteLine("白色获胜");
                    break;
                }
                else if (blackwin)
                {
                    Console.WriteLine("黑色获胜");
                    break;
                }
            }
        }
    }
}