#include
#include
void?main（）
{
initgraph（640480）;
//setcolor（WHITE）;
int?xa=100ya=300xb=300yb=200c=RGB（25500）;
int?xy;
float?dxdyk;
dx=xb-xa;
dy=yb-ya;
k=dy/dxy=ya;
if（abs（k）<1）
{
for（x=xa;x<=xb;x++）
{putpixel（xint（y+0.5）c）;
y=y+k;}
}

if（getch（）==17）
exit;
closegraph（）;}

?屬性????????????大小?????日期????時間???名稱
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?????文件????????328??2013-05-08?08:29??DDA\1.cpp

?????文件???????4246??2013-05-08?08:31??DDA\DDA.dsp

?????文件????????514??2013-05-08?08:28??DDA\DDA.dsw

?????文件??????33792??2013-05-08?08:31??DDA\DDA.ncb

?????文件??????48640??2013-05-08?08:31??DDA\DDA.opt

?????文件???????1981??2013-05-08?08:29??DDA\DDA.plg

?????文件??????12428??2013-05-08?08:29??DDA\Debug\1.obj

?????文件?????274518??2013-05-08?08:29??DDA\Debug\DDA.exe

?????文件?????401660??2013-05-08?08:29??DDA\Debug\DDA.ilk

?????文件????3999616??2013-05-08?08:29??DDA\Debug\DDA.pch

?????文件?????615424??2013-05-08?08:29??DDA\Debug\DDA.pdb

?????文件?????148480??2013-05-08?08:29??DDA\Debug\vc60.idb

?????文件??????77824??2013-05-08?08:29??DDA\Debug\vc60.pdb

?????目錄??????????0??2013-05-08?08:29??DDA\Debug

?????目錄??????????0??2013-05-08?08:31??DDA

-----------?---------??----------?-----??----

??????????????5619451????????????????????15