eightnumsearchdlg.cpp

一个8数码问题的解法

// EightNumSearchDlg.cpp : implementation file
//

#include "stdafx.h"
#include "EightNumSearch.h"
#include "EightNumSearchDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEightNumSearchDlg dialog

CEightNumSearchDlg::CEightNumSearchDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEightNumSearchDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEightNumSearchDlg)
	m_Com1Str1 = _T("2");
	m_Com1Str2 = _T("8");
	m_Com1Str3 = _T("3");
	m_Com1Str4 = _T("1");
	m_Com1Str5 = _T("");
	m_Com1Str6 = _T("4");
	m_Com1Str7 = _T("7");
	m_Com1Str8 = _T("6");
	m_Com1Str9 = _T("5");
	m_Com2Str1 = _T("1");
	m_Com2Str2 = _T("2");
	m_Com2Str3 = _T("3");
	m_Com2Str4 = _T("8");
	m_Com2Str5 = _T("");
	m_Com2Str6 = _T("4");
	m_Com2Str7 = _T("7");
	m_Com2Str8 = _T("6");
	m_Com2Str9 = _T("5");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEightNumSearchDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEightNumSearchDlg)
	DDX_Control(pDX, IDC_NEXTSTEP, m_NextStep);
	DDX_Control(pDX, IDC_FORTHSTEP, m_ForthStep);
	DDX_Text(pDX, IDC_COM1_EDIT1, m_Com1Str1);
	DDX_Text(pDX, IDC_COM1_EDIT2, m_Com1Str2);
	DDX_Text(pDX, IDC_COM1_EDIT3, m_Com1Str3);
	DDX_Text(pDX, IDC_COM1_EDIT4, m_Com1Str4);
	DDX_Text(pDX, IDC_COM1_EDIT5, m_Com1Str5);
	DDX_Text(pDX, IDC_COM1_EDIT6, m_Com1Str6);
	DDX_Text(pDX, IDC_COM1_EDIT7, m_Com1Str7);
	DDX_Text(pDX, IDC_COM1_EDIT8, m_Com1Str8);
	DDX_Text(pDX, IDC_COM1_EDIT9, m_Com1Str9);
	DDX_Text(pDX, IDC_COM2_EDIT1, m_Com2Str1);
	DDX_Text(pDX, IDC_COM2_EDIT2, m_Com2Str2);
	DDX_Text(pDX, IDC_COM2_EDIT3, m_Com2Str3);
	DDX_Text(pDX, IDC_COM2_EDIT4, m_Com2Str4);
	DDX_Text(pDX, IDC_COM2_EDIT5, m_Com2Str5);
	DDX_Text(pDX, IDC_COM2_EDIT6, m_Com2Str6);
	DDX_Text(pDX, IDC_COM2_EDIT7, m_Com2Str7);
	DDX_Text(pDX, IDC_COM2_EDIT8, m_Com2Str8);
	DDX_Text(pDX, IDC_COM2_EDIT9, m_Com2Str9);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEightNumSearchDlg, CDialog)
	//{{AFX_MSG_MAP(CEightNumSearchDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SOLUTE, OnSolute)
	ON_BN_CLICKED(IDC_NEXTSTEP, OnNextstep)
	ON_BN_CLICKED(IDC_FORTHSTEP, OnForthstep)
	ON_BN_CLICKED(IDC_INPUTORAL, OnInputoral)
	ON_BN_CLICKED(IDC_INPUTOBJ, OnInputobj)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEightNumSearchDlg message handlers

BOOL CEightNumSearchDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	flat=false;	

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEightNumSearchDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CEightNumSearchDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}
// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CEightNumSearchDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CEightNumSearchDlg::match(int n)//判断是否为目标并且返回W值
{
	int i,j;
	int k=0;
	for(i=0;i<3;i++)
	{
		for(j=0;j<3;j++)
			if(base[n].matrix[i][j]!=end[i][j])
			{
				k++;
			}
	}
	base[n].w=k;
	if(k==0)flat=true;
}
 
void CEightNumSearchDlg::findkg(int n)//判断空格的位置并返回该位置
{
	int i,j;
	for(i=0;i<3;i++)
	{
		for(j=0;j<3;j++)
			if(base[n].matrix[i][j]==' ')
			{ 
				base[n].x=i;base[n].y=j;
			}
	}
}

void CEightNumSearchDlg::getf(int n)//获得估价函数的值
{
	base[n].f=base[n].w+base[n].d;
}

void CEightNumSearchDlg::paixu(int n,int m)//按估价函数f排序,从m到n
{
	int i,j,p;
	struct Node q;
	for(i=m;i<n;i++)
	{
		p=i;
		/////////冒泡法,从小到大排列
		for(j=i+1;j<n;j++)
			if(base[p].f>=base[j].f)//找i后面的最小值
				p=j;
		////////////////把base[i]与base[p]进行交换
		if(p==i)continue;
		q=base[i];
		base[i]=base[p];
		base[p]=q;
       
	}
}
void CEightNumSearchDlg::kong(int &m,int x,int y,int &n)//空格移动的控制
{
	int i,j,z,k,o=n;
	z=3*x+y;
    int h=1;
	struct Node q;
	switch (z)
	{
		char a;
	case 0: //空格位于[0][0]，有两种移动，并获得移动后空格的位置及估价函数f值 
		base[n+1]=base[m];
		a=base[n+1].matrix[0][0];
		base[n+1].matrix[0][0]=base[n+1].matrix[0][1];
		base[n+1].matrix[0][1]=a;
		base[n+1].x=0;
        base[n+1].y=1;
		base[n+1].d=base[m].d+1;
		n=n+1;
        match(n);//判断是否为目标并且返回W值
		getf(n);

		base[n+1]=base[m];
		a=base[n+1].matrix[0][0];
		base[n+1].matrix[0][0]=base[n+1].matrix[1][0];
		base[n+1].matrix[1][0]=a;
		base[n+1].x=1;
        base[n+1].y=0;
	    base[n+1].d=base[m].d+1;
		n=n+1;
		match(n);
		getf(n);
		break;
	case 1://空格位于[0][1]，有三种移动，并获得移动后空格的位置及估价函数f值 
		base[n+1]=base[m];
		a=base[n+1].matrix[0][1];
		base[n+1].matrix[0][1]=base[n+1].matrix[0][0];
		base[n+1].matrix[0][0]=a;
		base[n+1].x=0;
        base[n+1].y=0;
	    base[n+1].d=base[m].d+1;
		n=n+1;
        match(n);
		getf(n);

		base[n+1]=base[m];
		a=base[n+1].matrix[0][1];
		base[n+1].matrix[0][1]=base[n+1].matrix[0][2];
		base[n+1].matrix[0][2]=a;
		base[n+1].x=0;
        base[n+1].y=2;
	    base[n+1].d=base[m].d+1;
		n=n+1;
		match(n);
		getf(n);

		base[n+1]=base[m];
		a=base[n+1].matrix[0][1];
		base[n+1].matrix[0][1]=base[n+1].matrix[1][1];
		base[n+1].matrix[1][1]=a;
		base[n+1].x=1;
        base[n+1].y=1;
	    base[n+1].d=base[m].d+1;
		n=n+1;
		match(n);
		getf(n);
		break;
	case 2://空格位于[0][2]，有两种移动，并获得移动后空格的位置及估价函数f值 
		base[n+1]=base[m];
		a=base[n+1].matrix[0][2];
		base[n+1].matrix[0][2]=base[n+1].matrix[0][1];
		base[n+1].matrix[0][1]=a;
		base[n+1].x=0;
        base[n+1].y=1;
	    base[n+1].d=base[m].d+1;
		n=n+1;
        match(n);
		getf(n);

		base[n+1]=base[m];
		a=base[n+1].matrix[0][2];
		base[n+1].matrix[0][2]=base[n+1].matrix[1][2];
		base[n+1].matrix[1][2]=a;
		base[n+1].x=1;
        base[n+1].y=2;
	    base[n+1].d=base[m].d+1;
		n=n+1;
		match(n);
		getf(n);
		break;
	case 3://空格位于[1][0]，有三种移动，并获得移动后空格的位置及估价函数f值 
		base[n+1]=base[m];
		a=base[n+1].matrix[1][0];
		base[n+1].matrix[1][0]=base[n+1].matrix[0][0];
		base[n+1].matrix[0][0]=a;
		base[n+1].x=0;
        base[n+1].y=0;
	    base[n+1].d=base[m].d+1;
		n=n+1;
        match(n);
		getf(n);

		base[n+1]=base[m];
		a=base[n+1].matrix[1][0];
		base[n+1].matrix[1][0]=base[n+1].matrix[1][1];
		base[n+1].matrix[1][1]=a;
		base[n+1].x=1;
        base[n+1].y=1;
	    base[n+1].d=base[m].d+1;
		n=n+1;
		match(n);
		getf(n);

		base[n+1]=base[m];
		a=base[n+1].matrix[1][0];
		base[n+1].matrix[1][0]=base[n+1].matrix[2][0];
		base[n+1].matrix[2][0]=a;
		base[n+1].x=2;
        base[n+1].y=0;
	    base[n+1].d=base[m].d+1;
		n=n+1;
		match(n);
		getf(n);
		break;
	case 4://空格位于[1][1]，有四种移动，并获得移动后空格的位置及估价函数f值
		base[n+1]=base[m];
		a=base[n+1].matrix[1][1];