装载问题(分支限界)Dlg.cpp

#include "Queue.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()

/

// CNewDlg dialog

CNewDlg::CNewDlg(CWnd* pParent /*=NULL*/)

: CDialog(CNewDlg::IDD, pParent)

{

//{{AFX_DATA_INIT(CNewDlg)

m_num = _T("");

//}}AFX_DATA_INIT

// Note that LoadIcon does not require a subsequent DestroyIcon in Win32

m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}

void CNewDlg::DoDataExchange(CDataExchange* pDX)

{

CDialog::DoDataExchange(pDX);

//{{AFX_DATA_MAP(CNewDlg)

DDX_Text(pDX, IDC_EDIT_NUM, m_num);

//}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CNewDlg, CDialog)

//{{AFX_MSG_MAP(CNewDlg)

ON_WM_SYSCOMMAND()

ON_WM_PAINT()

ON_WM_QUERYDRAGICON()

ON_BN_CLICKED(IDC_BTN_LOAD, OnBtnLoad) ON_BN_CLICKED(IDC_BTN_CLEAR, OnBtnClear)

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

/

// CNewDlg message handlers

BOOL CNewDlg::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

num=0;

j=0;

num_pri=0;

boxmark_str="";

m_num="";

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

}

void CNewDlg::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 CNewDlg::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 CNewDlg::OnQueryDragIcon()

{

return (HCURSOR) m_hIcon;

}

void CNewDlg::EnQueue(Queue *p_obj, int wt, int &bestw,int i,int n)

{

if(i==n){

if(wt>bestw)

bestw=wt;

}

else p_obj-> add(wt);

}

int CNewDlg::MaxLoading()

{

p_obj=new Queue(1000);

p_obj->add(-1);

int i=0;//重大修改int i=1;

int Ew=0;

bestw=0;

while(true)

{

if(Ew+w[i]<=c)// Ew=w[i]<=c

EnQueue(p_obj,Ew+w[i],bestw,i,n); EnQueue(p_obj,Ew,bestw,i,n);

Ew=p_obj-> Delete();

if(Ew==-1)

{

if(p_obj-> Isempty())return bestw;

p_obj-> add(-1);

Ew=p_obj-> Delete();

i++;

}

}

}

void CNewDlg::OnBtnLoad()

{

// TODO: Add your control notification handler code here

GetDlgItemText(IDC_EDIT_AMOUNT,str);//箱子的数目

n=atoi(str);

// int *ptr=new int [n];

w=new int[n];

GetDlgItemText(IDC_EDIT_NUM,m_num);

int m=m_num.GetLength();

p=new char[m+1];

// strcpy(p,s_num);

for(int i=0;i

p[i]=m_num.GetAt(i);

for( i=0;i

if(p[i]!=44) //   num=atom(s.GetAt(i));

{

p[i]-=48;

num=p[i];

num_pri=num_pri*10+num;

// num=0;

}

else

{

// num=num/10;

if(j

{

w[j]=num_pri;

j++;

num_pri=0;

}

// ss=w[j];

}

GetDlgItemText(IDC_EDIT_MAXLOAD,s_maxload);

c=atoi(s_maxload);

MaxLoading();

ss.Format("%d",bestw); SetDlgItemText(IDC_EDIT_OUTPUT,"轮船的最大载重量是："+ss);

}

void CNewDlg::OnBtnClear()

{

// TODO: Add your control notification handler code here

num=0;

j=0;

num_pri=0;

c=0;

n=0;

GetDlgItemText(IDC_EDIT_NUM,m_num);

if(m_num!="")

{

delete[]w;

delete[]p;

delete[]p_obj;

}

else

{

AfxMessageBox("没有输入有效字符！");

}

// m_num="";

SetDlgItemText(IDC_EDIT_OUTPUT,""); SetDlgItemText(IDC_EDIT_AMOUNT,""); SetDlgItemText(IDC_EDIT_MAXLOAD,""); SetDlgItemText(IDC_EDIT_NUM,"");

}