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//Copyright (c) LeafCore#include 
    
     #include 
     
      #include 
      
       LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM);void draw(HDC);char szClassName[ ] = "LeafCore";int WINAPI WinMain(HINSTANCE hThisInstance,                   HINSTANCE hPrevInstance,                   LPSTR lpszArgument,                   int nFunsterStil){    HWND hwnd;    MSG messages;    WNDCLASSEX wincl;    wincl.hInstance = hThisInstance;    wincl.lpszClassName = szClassName;    wincl.lpfnWndProc = WindowProcedure;    wincl.style = CS_DBLCLKS;    wincl.cbSize = sizeof (WNDCLASSEX);    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);    wincl.lpszMenuName = NULL;    wincl.cbClsExtra = 0;    wincl.cbWndExtra = 0;    wincl.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);    if (!RegisterClassEx(&wincl))        return 0;    hwnd=CreateWindowEx(              0,              szClassName,              "LeafCore",              WS_OVERLAPPEDWINDOW,              CW_USEDEFAULT,              CW_USEDEFAULT,              1024,              768,              HWND_DESKTOP,              NULL,              hThisInstance,              NULL         );    ShowWindow(hwnd, nFunsterStil);    while(GetMessage(&messages, NULL, 0, 0)) {        TranslateMessage(&messages);        DispatchMessage(&messages);    }    return messages.wParam;}LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){    PAINTSTRUCT ps;    HDC hdc;    switch (message) {    case WM_PAINT:        hdc=BeginPaint(hwnd, &ps);        HPEN green_pen=CreatePen(PS_SOLID, 1, RGB(0, 127, 0));        HPEN old_pen=(HPEN) SelectObject(hdc, green_pen);        draw(hdc);        SelectObject(hdc, old_pen);        DeleteObject(green_pen);        EndPaint(hwnd, &ps);        break;    case WM_DESTROY:        PostQuitMessage (0);        break;    default:        return DefWindowProc (hwnd, message, wParam, lParam);    }    return 0;}void draw(HDC hdc){    //q的数量    const int const_q=1000;    double q[const_q];    double x, y;    //q中的最大数    double greatest;    //q中的最小数    double least;    //初始化随机数产生器    srand(time(0));    //产生q    for (int i=0; i
       
        q[i]) {            least=q[i];        }    }    //画出代表最大数的直线    MoveToEx(hdc, -100*4+450, (int)-greatest+600, 0);    LineTo(hdc, 100*4+450, (int)-greatest+600);    //画出代表最小数的直线    MoveToEx(hdc, -100*4+450, (int)-least+600, 0);    LineTo(hdc, 100*4+450, (int)-least+600);    //依次画出x取-100、-99、……、-1时的点    for (int i=-100; i<0; i++) {        x=i;        y=0;        for (int j=0; j