public partial class Form1 : Form
{
string c;
int[] a = new int[10];
Button[,] b = new Button[5, 5];
int[,] w=new int[5,5];
Random r1 = new Random();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
for (int j = 0; j < 5; j++)
{
for (int i = 0; i < 5; i++)
{
b[i, j] = new System.Windows.Forms.Button();
b[i, j].Location = new Point(50 * i, 50 * j);
b[i, j].Click += new EventHandler(b_Click);
b[i, j].Width = 50;
b[i, j].Height = 50;
b[i, j].Text = "" + (i + j * 5);
w[i, j] = i + j * 5;//w[i,j]可以用來紀錄b[i,j]有關的數值
this.Controls.Add(b[i, j]);
}
}
for (int j = 0; j < 25; j++)
{
for (int i = 0; i < j; i++)
{
a[0] = r1.Next(0, j);//a[0]從0到j
a[1] = a[0] % 5;//a[1],a[2]從0到4
a[2] = (a[0] - a[1]) / 5;
c = b[a[1], a[2]].Text;
b[a[1], a[2]].Text = b[i % 5, i / 5].Text;
b[i % 5, i / 5].Text = c;//被隨機到的按鈕與第i個交換名稱
}
}
}
}
//對於1,2,..,n的數列,被分為未打亂與已打亂，每次從未打亂的數列中隨機挑一個數到已打亂數列裡面,n次之後就會得到隨機不重複數列
