#include<stdio.h>
#include<stdlib.h>
#include<time.h>
char str[10][10]={0};
int n,i=0,j=0,k=1;
main()
{
for(i=0;i<10;i++){
for(j=0;j<10;j++)
str[i][j]='.';
}
srand((unsigned) time(NULL));
i=0,j=0;
char c='A';
str[0][0]=c;
do{
top:
n=rand()%4;
switch(n){
case 0:
if(i!=0){
i--;
break;
}else
goto top;
case 1:
if(i!=9){
i++;
break;
}else
goto top;
case 2:
if(j!=0){
j--;
break;
}else
goto top;
case 3:
if(j!=9){
j++;
break;
}else
goto top;
}
if(str[i][j]!='.'){
if(n==0){
i++;
goto top;
}
else if(n==1){
i--;
goto top;
}
else if(n==2){
j++;
goto top;
}
else{
j--;
goto top;
}
}else{
str[i][j]=++c;
k++;
}
if((str[i-1>0?i-1:1-i][j]!='.')
&&(str[i+1>9?i-1:1+i][j]!='.')
&&(str[i][j-1>0?j-1:1-j]!='.')
&&(str[i][j+1>9?j-1:1+j]!='.'))
goto end;
}while(k<26);
end:
for(i=0;i<10;i++){
for(j=0;j<10;j++)
printf("%c ",str[i][j]);
printf("n");
}
}
我们只需在Form中手动添加一个按钮，其余代码添加。
///
const int N = 3;
Button[,] buttons = new Button[N, N];
private void Form1_Load(object sender, EventArgs e)
{
//产生所有按钮
GenerateAllButtons();
}
private void button1_Click(object sender, EventArgs e)
{
//打乱顺序
Shuffle();
}
void Shuffle()
{
//多次随机交换两个按钮
Random rnd = new Random();
for (int i = 0; i < 100; i++)
{
int a = rnd.Next(N);
int b = rnd.Next(N);
int c = rnd.Next(N);
int d = rnd.Next(N);
Swap(buttons[a, b], buttons[c, d]);
}
}
//生成所有按钮
void GenerateAllButtons()
{
int x0 = 100, y0 = 50, w = 100, d = 100;
for (int r = 0; r < N; r++)
{
for (int c = 0; c < N; c++)
{
int num = r * N + c;
Button btn = new Button();
btn.Text = (num + 1).ToString();
btn.Top = y0 + r * d;
btn.Left = x0 + c * d;
btn.Width = w;
btn.Height = w;
btn.Visible = true;
btn.Tag = r * N + c;//表示它所在的行列位置
//注册事件
btn.Click += new EventHandler(btn_Click);
buttons[r, c] = btn;//放到数组中
this.Controls.Add(btn);//放到界面上
}
}
buttons[N - 1, N - 1].Visible = false;//最后一个不可见
}
//交换两个按钮
void Swap(Button btna, Button btnb)
{
string t = btna.Text;
btna.Text = btnb.Text;
btnb.Text = t;
bool v = btna.Visible;
btna.Visible = btnb.Visible;
btnb.Visible = v;
}
//按钮点击事件处理
void btn_Click(object sender, EventArgs e)
{
Button btn = sender as Button;//当前点中的按钮
Button blank = FindHiddenButton();//空白按钮
//判断是否与空白块相邻，true 则交换
if (IsNeighbor(btn, blank))
{
Swap(btn, blank);
blank.Focus();
}
//判断是否完成
if (ResultIsOk())
{
MessageBox.Show("成功了！");
}
}
//查找要隐藏的按钮
Button FindHiddenButton()
{
for (int r = 0; r < N; r++)
{
for (int c = 0; c < N; c++)
{
if (!buttons[r, c].Visible)
{
return buttons[r, c];
}
}
}
return null;
}
//判断是否相邻
bool IsNeighbor(Button btnA, Button btnB)
{
int a = (int)btnA.Tag;
int b = (int)btnB.Tag;
int r1 = a / N, c1 = a % N;
int r2 = b / N, c2 = b % N;
if (r1 == r2 && (c1 == c2 + 1 || c1 == c2 - 1)
|| c1 == c2 && (r1 == r2 + 1 || r1 == r2 - 1))
{
return true;
}
return false;
}
//检查是否完成
bool ResultIsOk()
{
for (int r = 0; r < N; r++)
for (int c = 0; c < N; c++)
{
if (buttons[r, c].Text != (r * N + c + 1).ToString())
{
return false;
}
}
return true;
}
//
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