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联合

hacken — Sun, 09 Apr 2006 12:00:00 GMT

#include < iostream.h >
void main()
{
  union
   {
      int ig[ 3 ];
       char s[ 12 ];
  } t;
  t.ig[ 0 ] = ox20494542;
  t.ig[ 1 ] = 0x474e494a ;
  t.ig[ 2 ] = 0x00000a21 ;
}

hacken 2006-04-09 20:00 发表评论

Long time wanna forget

hacken — Tue, 28 Feb 2006 02:09:00 GMT

最�q�是很郁闷了,好长旉��做这个了
感觉真是不知所�?
希望快点做C++

hacken 2006-02-28 10:09 发表评论

null

hacken — Tue, 24 Jan 2006 08:24:00 GMT

int (*hacken)(int a,double b);

是一个指向函数的指针�Q�可以给它赋值如下：

int (*hacken)();
hacken=sin;

其中sin是一个函数名�?

hacken 2006-01-24 16:24 发表评论

字符输出

hacken — Sat, 21 Jan 2006 09:00:00 GMT

�Q�include <iostream.h>
void main()
{
  char*p1,a[16],b[16];
  p1="i am a teacher.";
  for(int i(0);i<15;i++;)
     a[i]=*p1+++1;
  a[i]='\0';
  cout<<a<<endl;
  for(i=0;i<15;i++)
    b[i]=*(a+i)-1;
  b[i]='\0';
  cout<<b<<endl;
}

6:26:54
2005�q?�?4�?BR>怎么��L��解这个程序，有关其中的运��怎么做？

hacken 2006-01-21 17:00 发表评论

hacken — Fri, 20 Jan 2006 09:17:00 GMT

#include <iostream.h>
void main()
{
  char s1[]="abcd",s2[5];
  for(int i(0);i<5;i++)
      s2[i]='e'+1;
  cout<<s1<<endl;
  for(i=0;i<5;i++)
   cout<<*(s2+i);
  cout<<endl;
}

他的�l�果是：abcd
efghi
怎么出来efghi的，我知道应该是d字符�?��是e �Q�但有点不懂�Q�希望大家帮助我�?BR>谢谢�?BR>17:17:01
2006�q?�?0�?img src ="http://m.shnenglu.com/alan007-/aggbug/2939.html" width = "1" height = "1" />

hacken 2006-01-20 17:17 发表评论

hacken — Fri, 20 Jan 2006 09:08:00 GMT

char *p1="one",*p2="two";
strcmp(p1,p2)>0

怎么样对他们�q�行比较�Q�希望得到大家的帮助�?7:07:20�Q?006�q?�?0�?img src ="http://m.shnenglu.com/alan007-/aggbug/2938.html" width = "1" height = "1" />

hacken 2006-01-20 17:08 发表评论

指针

hacken — Fri, 20 Jan 2006 09:04:00 GMT

#include <iostream.h>
int strlen1(char a[])
void main()
{
  char s[]="abcdefg";
  char*p;
  int n=strlen1();
  for(p=s+n-1;p+1!=s;p--)
     cout<<*p;
  cout<<endl;
}
int strlen1(char a[])
{
  char *p=a;
  int i=0;
  while(a[i++]!='10')
      p++;
  return p-a;
}

在这个程序中�Q�p=s+n-1该怎么理解�Q�希望各位高手可以帮我理解，谢谢�?img src ="http://m.shnenglu.com/alan007-/aggbug/2937.html" width = "1" height = "1" />

hacken 2006-01-20 17:04 发表评论

Game

hacken — Tue, 17 Jan 2006 10:10:00 GMT

//---------------------------------------------------------------------------

#ifndef UnitTetrisH
#define UnitTetrisH
//---------------------------------------------------------------------------
#ifndef STRICT
#  define STRICT
#endif
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include "TetrisData.h"
#include <ExtCtrls.hpp>
#include <ActnList.hpp>
#include <Menus.hpp>
#include <AppEvnts.hpp>
#include "VictorDDraw8.h"
//---------------------------------------------------------------------------
class TFormTetris : public TForm
{
__published:    // IDE-managed Components
    TMainMenu *MainMenu1;
    TActionList *ActionList1;
    TAction *AnNew;
    TAction *AnPause;
    TAction *AnHScore;
    TAction *AnExit;
    TMenuItem *MmFile;
    TMenuItem *New1;
    TMenuItem *Pause1;
    TMenuItem *HighScore1;
    TMenuItem *Exit1;
    TMenuItem *N1;
    TApplicationEvents *ApplicationEvents1;
    TMenuItem *H1;
    TAction *AnHelp;
    TAction *AnAbout;
    TMenuItem *AnHelp1;
    TMenuItem *AnAbout1;
    TAction *AnSingle;
    TMenuItem *S1;
    TMenuItem *Speedset;
    TMenuItem *N2;
    TAction *AnSpeed;
    TVictorDDraw8 *VictorDDraw81;
    void __fastcall FormKeyDown(TObject *Sender, WORD &Key,
    TShiftState Shift);
    void __fastcall AnNewExecute(TObject *Sender);
    void __fastcall AnPauseExecute(TObject *Sender);
    void __fastcall AnHScoreExecute(TObject *Sender);
    void __fastcall AnExitExecute(TObject *Sender);
    void __fastcall ApplicationEvents1Deactivate(TObject *Sender);
    void __fastcall LabelHomeClick(TObject *Sender);
    void __fastcall AnHelpExecute(TObject *Sender);
    void __fastcall AnAboutExecute(TObject *Sender);
    void __fastcall AnSingleExecute(TObject *Sender);
    void __fastcall FormKeyUp(TObject *Sender, WORD &Key, TShiftState Shift);
    void __fastcall AnSpeedExecute(TObject *Sender);
    void __fastcall ApplicationEvents1Idle(TObject *Sender, bool &Done);
    void __fastcall VictorDDraw81DispFrame(TCustomDDraw8 *Sender);
    void __fastcall VictorDDraw81RestoreFrame(TCustomDDraw8 *Sender);
    void __fastcall ApplicationEvents1Restore(TObject *Sender);
    void __fastcall ApplicationEvents1Activate(TObject *Sender);
public:
    static const NumScores = 5;
    #pragma pack(push,1)
    typedef struct
     {
       int Score;
       char Name[32];
     } TScoreItem;
    typedef union
     {
       struct
        {
          TScoreItem Scores[NumScores];
          int Speed;
        };
       char Buffer[512];
     } TTetrisParams;
    #pragma pack(pop)
private:    // User declarations
    __property bool Paused = { read = _bPaused, write = SetPause };

    static const BlockSize=20, BlockTop=10, BlockLL=10, BlockRL=298, BlockIL=206;
    bool _bPaused, _bSingle, _bGameOverL, _bGameOverR;
    TBaseTetris TetrisLeft, TetrisRight;
    TTetrisParams TetrisParams;
    //Graphics::TBitmap *TtBmp, *PsBmp, *OvBmp, *SgBmp, *BkBmp, *KkBmp, *MaskBmp;
    TDDrawSurface *TtSur, *PsSur, *OvSur, *SgSur, *BkSur;
    int iSurfaceWidth, iSurfaceHeight;
    bool bDisplayEnabled;

    int iFrames,iFrmCnt;
    char Str_L_Lines[64], Str_L_Score[64], Str_R_Lines[64], Str_R_Score[64], Str_Speed[64], Str_HighScore[64], Str_Fps[64];

    int LnLeft, LnRight, _iKeyDelay;
    int _iLeftDown, _iRightDown;
    int _iLeftLeft, _iLeftRight;
    int _iRightLeft, _iRightRight;

    unsigned int nSysTimeInterval;
    int nTimerMainInterval, nTimerDownInterval;
    int iTimerMainC0, iTimerMainC1, iTimerDownC0, iTimerDownC1;
    void __fastcall EvTimerMainTimer(void);
    void __fastcall EvTimerDownTimer(void);

    void __fastcall InitSurfaces(void);
    void __fastcall LoadSurfaces(void);

    int  __fastcall GetInitSpeed(void);
    void __fastcall SetInitSpeed(int iSpd);
    int  __fastcall GetInitBackground(void); //
    void __fastcall SetInitBackground(int iBkg); //
    void __fastcall SetPause(bool);
    void __fastcall CheckGameStatus(void);
    void __fastcall RefreshDisplay(void);
    bool __fastcall TestKeyDown(int &iKey);
    void __fastcall DrawTetris(TDDrawDisplay *lpDisplay, TBaseTetris *lpTetris, int x0, int y0, bool bPlaySingle);
    void __fastcall DrawIncoming(TDDrawDisplay *lpDisplay, TBaseTetris *lpTetris, int x0, int y0);

    void LoadParams(void);
    void SaveParams(void);
    void GetPlayerName(char *lpName);
    void ShowHighScores(void);

public:        // User declarations
    __fastcall TFormTetris(TComponent* Owner);
    __fastcall ~TFormTetris();
    __property int InitSpeed = { read = GetInitSpeed, write = SetInitSpeed };
    __property int InitBackground = { read = GetInitBackground, write = SetInitBackground };//
protected:
    void __fastcall WndProc(Messages::TMessage &Message);
};
//---------------------------------------------------------------------------
extern PACKAGE TFormTetris *FormTetris;
//---------------------------------------------------------------------------
#endif

hacken 2006-01-17 18:10 发表评论

game

hacken — Tue, 17 Jan 2006 09:41:00 GMT

//---------------------------------------------------------------------------

#ifndef UnitTetrisH
#define UnitTetrisH
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include "TetrisData.h"
#include <ExtCtrls.hpp>
#include <ActnList.hpp>
#include <Menus.hpp>
#include <AppEvnts.hpp>
//---------------------------------------------------------------------------
class TFormTetris : public TForm
{
__published:    // IDE-managed Components
    TPaintBox *PaintBox1;
    TMainMenu *MainMenu1;
    TActionList *ActionList1;
    TAction *AnNew;
    TAction *AnPause;
    TAction *AnHScore;
    TAction *AnExit;
    TPaintBox *PaintBox2;
    TTimer *Timer1;
    TMenuItem *MmFile;
    TMenuItem *New1;
    TMenuItem *Pause1;
    TMenuItem *HighScore1;
    TMenuItem *Exit1;
    TMenuItem *N1;
    TLabel *LabelLines;
    TLabel *LabelScore;
    TScrollBox *ScrollBox1;
    TApplicationEvents *ApplicationEvents1;
    TLabel *LabelHome;
    TLabel *Label2;
    TLabel *Label3;
    TLabel *Label4;
    TLabel *LabelHighScore;
    TMenuItem *H1;
    TAction *AnHelp;
    TAction *AnAbout;
    TMenuItem *AnHelp1;
    TMenuItem *AnAbout1;
    TLabel *Label1;
    void __fastcall PaintBox1Paint(TObject *Sender);
    void __fastcall FormKeyDown(TObject *Sender, WORD &Key,
          TShiftState Shift);
    void __fastcall AnNewExecute(TObject *Sender);
    void __fastcall AnPauseExecute(TObject *Sender);
    void __fastcall AnHScoreExecute(TObject *Sender);
    void __fastcall AnExitExecute(TObject *Sender);
    void __fastcall PaintBox2Paint(TObject *Sender);
    void __fastcall Timer1Timer(TObject *Sender);
    void __fastcall ApplicationEvents1Deactivate(TObject *Sender);
    void __fastcall LabelHomeMouseEnter(TObject *Sender);
    void __fastcall LabelHomeMouseLeave(TObject *Sender);
    void __fastcall LabelHomeClick(TObject *Sender);
    void __fastcall AnHelpExecute(TObject *Sender);
    void __fastcall AnAboutExecute(TObject *Sender);
public:
    static const NumScores = 5;
    #pragma pack(push,1)
    typedef struct
     {
       int Score;
       char Name[32];
     } TScoreItem;
    typedef union
     {
       TScoreItem Scores[NumScores];
       char Buffer[512];
     } TTetrisParams;
    #pragma pack(pop)
private:    // User declarations
    __property bool Paused = { read = _bPaused, write = SetPause };

    bool _bPaused;
    TBaseTetris Tetris;
    TTetrisParams TetrisParams;
    Graphics::TBitmap *TtBmp, *PsBmp, *OvBmp;

    void __fastcall SetPause(bool);
    void __fastcall CheckGameStatus(void);
    void __fastcall RefreshDisplay(void);

    void LoadParams(void);
    void SaveParams(void);
    void GetPlayerName(char *lpName);
    void ShowHighScores(void);
public:        // User declarations
    __fastcall TFormTetris(TComponent* Owner);
    __fastcall ~TFormTetris();
};
//---------------------------------------------------------------------------
extern PACKAGE TFormTetris *FormTetris;
//---------------------------------------------------------------------------
#endif

hacken 2006-01-17 17:41 发表评论

pi

hacken — Mon, 16 Jan 2006 02:54:00 GMT

2006�q?�?6�?0:57:35

void __fastcall TForm1::Button1Click(TObject *Sender)
{
  double x=2, z=2;
  int a=1, b=3;
  while(z>1e-15)
  {
    z = z*a/b;
    x += z;
    a++;
    b+=2;
  }
  Memo1->Text = AnsiString().sprintf("Pi=%.13f", x);

hacken 2006-01-16 10:54 发表评论