optimalbinarytreedlg.cpp

最有二叉搜索树生成程序

// OptimalBinaryTreeDlg.cpp : implementation file
//
#include "stdafx.h"
#include "OptimalBinaryTree.h"
#include "OptimalBinaryTreeDlg.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()

/////////////////////////////////////////////////////////////////////////////
// COptimalBinaryTreeDlg dialog

COptimalBinaryTreeDlg::COptimalBinaryTreeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(COptimalBinaryTreeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(COptimalBinaryTreeDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void COptimalBinaryTreeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(COptimalBinaryTreeDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(COptimalBinaryTreeDlg, CDialog)
	//{{AFX_MSG_MAP(COptimalBinaryTreeDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnDrawTree)
	ON_BN_CLICKED(IDC_BUTTON2, OnCancle)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COptimalBinaryTreeDlg message handlers

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

void COptimalBinaryTreeDlg::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 COptimalBinaryTreeDlg::OnPaint() 
{
    //设置背景颜色
    CPaintDC dcc(this);
	//CPen pen;
	//pen.CreatePen(PS_SOLID,2,RGB(192,192,192));
	dcc.Rectangle(205,17,445,259);

	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 COptimalBinaryTreeDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void COptimalBinaryTreeDlg::OnDrawTree() 
{
	int a[5]={2,3,1,1,1};
	int b[5];
	b[1]=3; b[2]=3; b[3]=1; b[4]=1;
	int n=4;
	int m[5][5];
	int s[5][5];
	int w[5][5];
	//OptimalBinaryTree(a,b,4,m,s,w);
	for(int i=0;i<=n;i++)
	{
		w[i+1][i]=a[i];
		m[i+1][i]=0;
	}
	for(int r=0;r<n;r++)
		for(int i=1;i<=n-r;i++)
		{
			int j=i+r;
			w[i][j]=w[i][j-1]+a[j]+b[j];
			m[i][j]=m[i+1][j];
			s[i][j]=i;
			for(int k=i+1;k<=j;k++)
			{
				int t=m[i][k-1]+m[k+1][j];
				if(t<m[i][j])
				{
					m[i][j]=t;
					s[i][j]=k;
				}
			}
			m[i][j]+=w[i][j];
		}

	//画树
	int TimeDelay;
	CDC *pDC=GetDC();
	pDC->TextOut(245,40,"最优二叉搜索树图示");
	CClientDC dc(this);
	CPen pen;
	pen.CreatePen(PS_SOLID,2,RGB(0,0,0));
	CPoint StartPoint,EndPoint;

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	dc.SelectObject(&pen);
	dc.Ellipse(270,90,330,115);
	pDC->TextOut(295,95,"if");

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	StartPoint.x=300;//起始点
	StartPoint.y=115;
	dc.MoveTo(StartPoint); 
	EndPoint.x=250;//终点
	EndPoint.y=150;
	dc.LineTo(EndPoint);

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	dc.Rectangle(220,150,280,175);
	pDC->TextOut(243,155,"do");

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	StartPoint.x=300;//起始点
	StartPoint.y=115;
	dc.MoveTo(StartPoint); 
	EndPoint.x=350;//终点
	EndPoint.y=150;
	dc.LineTo(EndPoint);

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	dc.Ellipse(320,150,380,175);
	pDC->TextOut(335,153,"read");

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	StartPoint.x=360;//起始点
	StartPoint.y=175;
	dc.MoveTo(StartPoint); 
	EndPoint.x=400;//终点
	EndPoint.y=210;
	dc.LineTo(EndPoint);

	for(i=0;i<100000000;i++) TimeDelay++;
	TimeDelay=0;
	dc.Rectangle(370,210,430,235);
	pDC->TextOut(385,215,"while");
}
	/*CClientDC dc(this);
	CPen pen;
	pen.CreatePen(PS_SOLID,2,RGB(0,0,0));
	dc.SelectObject(&pen);
	dc.Ellipse(270,90,330,115);
	dc.Rectangle(220,150,280,175);
	dc.Ellipse(320,150,380,175);
	dc.Rectangle(370,210,430,235);
	
	CDC *pDC=GetDC();
	pDC->TextOut(295,95,"if");
	pDC->TextOut(243,155,"do");
	pDC->TextOut(335,153,"read");
	pDC->TextOut(385,215,"while");
	pDC->TextOut(245,40,"最优二叉搜索树图示");

	//CClientDC dc(this);
	CPoint StartPoint,EndPoint;
	StartPoint.x=300;//起始点
	StartPoint.y=115;
	dc.MoveTo(StartPoint); 
	EndPoint.x=250;//终点
	EndPoint.y=150;
	dc.LineTo(EndPoint);
	StartPoint.x=300;//起始点
	StartPoint.y=115;
	dc.MoveTo(StartPoint); 
	EndPoint.x=350;//终点
	EndPoint.y=150;
	dc.LineTo(EndPoint);
	StartPoint.x=360;//起始点
	StartPoint.y=175;
	dc.MoveTo(StartPoint); 
	EndPoint.x=400;//终点
	EndPoint.y=210;
	dc.LineTo(EndPoint);


}*/

/*void OptimalBinaryTree(int a[5],int b[5],int n,int m[5][5],int s[5][5],int w[5][5])
{
	for(int i=0;i<=n;i++)
	{
		w[i+1][i]=a[i];
		m[i+1][i]=0;
	}
	for(int r=0;r<n;r++)
		for(int i=1;i<=n-r;i++)
		{
			int j=i+r;
			w[i][j]=w[i][j-1]+a[j]+b[j];
			m[i][j]=m[i+1][j];
			s[i][j]=i;
			for(int k=i+1;k<=j;k++)
			{
				int t=m[i][k-1]+m[k+1][j];
				if(t<m[i][j])
				{
					m[i][j]=t;
					s[i][j]=k;
				}
			}
			m[i][j]+=w[i][j];
		}
}*/

void COptimalBinaryTreeDlg::OnCancle() 
{
	OnCancel();
}