人工無能による３目並べ

3目並べとはこのようなものですが、

三目並べ - Wikipedia

人工知能ならぬ「人工無能」でC#で作成しました。
無能な所以は、Computerは乱数で指すだけだから。

このゲームは今、AI界隈で流行りの「将棋」や「囲碁」と比べて、すこぶる単純で、勝敗判定も総当たりで実現できます。

ぐぐると、プログラミングしている例はあると思いますが、今回はこんなですが完全自力です。
素人なので、効率的なアルゴリズムではないかもしれませんし、一つどうしても修正できない部分もあります。
//ここだけ強引
と書いてあるところ。
いずれ考えなおして修正します。

using System;
using System.Windows.Forms;

namespace _3x3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        bool teban = true;
        int shouhai = 0;
        int count = 0;
        int[,] Array = new int[,] { { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 } };

        private void Form1_Load(object sender, EventArgs e)
        {                      
        }
        
        private void hantei()
        {
            if (Array[0, 0] == 1)
            {
                button00.Text = "〇";
            }
            else if(Array[0,0]==-1)
            {
                button00.Text = "●";
            }
            if (Array[0, 1] == 1)
            {
                button01.Text = "〇";
            }
            else if (Array[0, 1] == -1)
            {
                button01.Text = "●";
            }
            if (Array[0, 2] == 1)
            {
                button02.Text = "〇";
            }
            else if (Array[0, 2] == -1)
            {
                button02.Text = "●";
            }
            if (Array[1, 0] == 1)
            {
                button10.Text = "〇";
            }
            else if (Array[1, 0] == -1)
            {
                button10.Text = "●";
            }
            if (Array[1, 1] == 1)
            {
                button11.Text = "〇";
            }
            else if (Array[1, 1] == -1)
            {
                button11.Text = "●";
            }
            if (Array[1, 2] == 1)
            {
                button12.Text = "〇";
            }
            else if (Array[1, 2] == -1)
            {
                button12.Text = "●";
            }
            if (Array[2, 0] == 1)
            {
                button20.Text = "〇";
            }
            else if (Array[2, 0] == -1)
            {
                button20.Text = "●";
            }
            if (Array[2, 1] == 1)
            {
                button21.Text = "〇";
            }
            else if (Array[2, 1] == -1)
            {
                button21.Text = "●";
            }
            if (Array[2, 2] == 1)
            {
                button22.Text = "〇";
            }
            else if (Array[2, 2] == -1)
            {
                button22.Text = "●";
            }

            int sum = 0;
            for (int i = 0; i < 3; i++)
            {
                for (int j = 0; j < 3; j++)
                {
                    sum += Array[i, j];

                }
                if (sum == 3)
                {
                   shouhai = 1;
                }
                else if(sum ==-3)
                {
                       shouhai = -1;
                }
                sum = 0;
            }
            for (int j = 0; j < 3; j++)
            {
                for (int i = 0; i < 3; i++)
                {
                    sum += Array[i, j];

                }
                if (sum == 3)
                {
                    shouhai = 1;
                }
                else if (sum == -3)
                {
                    shouhai = -1;
                }
                sum = 0;
            }
            if (Array[0, 0] + Array[1, 1] + Array[2, 2] == 3) //斜め
            {
                shouhai = 1;
            }
            else if (Array[0, 0] + Array[1, 1] + Array[2, 2] == -3)
            {
                shouhai = -1;
            }
            if (Array[2, 0] + Array[1, 1] + Array[0, 2] == 3)  //斜め
            {
                shouhai = 1;
            }
            else if (Array[2, 0] + Array[1, 1] + Array[0, 2] == -3)
            {
                 shouhai = -1;
            }



            if (teban == true)
            {
                count++;
            }
            else if (shouhai == 0)
            {

                DateTime now = DateTime.Now;
                int set;
                set = now.Second + 2;
                if (set > 59)
                {
                    set = set - 60;
                }
                while (DateTime.Now.Second - set != 0) { }

                Random r = new Random();
                int randX = r.Next(0, 3);
                int randY = r.Next(0, 3);
                while (Array[randX, randY] != 0 && shouhai == 0)
                {
                    randX = r.Next(0, 3);
                    randY = r.Next(0, 3);
                }
                Array[randX, randY] = -1;
                teban = !teban;
                hantei();
                count++;              
            }

            if (shouhai == 1)
            {
                MessageBox.Show("You Win!");
            }
            else if (shouhai == -1)
            {
                MessageBox.Show("You Lose!");
                shouhai = 2;
                count = 10;   //ここだけ強引
            }
            else if (count == 9)
            {
                MessageBox.Show("Draw!");
                shouhai = 2;
            }
        }

        private void button00_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {              
                Array[0, 0] = 1;
            }
            else
            {               
                Array[0, 0] = -1;
            }
            teban = !teban;
            hantei();
         }

        private void button01_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[0, 1] = 1;
            }
            else
            {               
                Array[0, 1] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button02_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {               
                Array[0, 2] = 1;
            }
            else
            {
                Array[0, 2] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button10_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[1, 0] = 1;
            }
            else
            {
                Array[1, 0] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button11_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[1, 1] = 1;
            }
            else
            {
                Array[1, 1] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button12_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[1, 2] = 1;
            }
            else
            {
                Array[1, 2] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button20_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[2, 0] = 1;
            }
            else
            {
                Array[2, 0] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button21_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[2, 1] = 1;
            }
            else
            {
                Array[2, 1] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void button22_Click(object sender, EventArgs e)
        {
            if (teban == true)
            {
                Array[2, 2] = 1;
            }
            else
            {
                Array[2, 2] = -1;
            }
            teban = !teban;
            hantei();
        }

        private void buttonRestart_Click(object sender, EventArgs e)
        {
            shouhai = 0;
            count = 0;
            teban = true;
            button00.Text = "";
            button01.Text = "";
            button02.Text = "";
            button10.Text = "";
            button11.Text = "";
            button12.Text = "";
            button20.Text = "";
            button21.Text = "";
            button22.Text = "";

            for (int j = 0; j < 3; j++)
            {
                for (int i = 0; i < 3; i++)
                {
                    Array[j, i] = 0;
                }
            }
        }
    }

    }