初学者的问题
<P>编译总出现这样的错误：<BR> ------ 已启动生成: 项目: wnn1, 配置: Debug Win32 ------<BR>正在编译...<BR>wnn1.cpp<BR>c:\documents and settings\wn\my documents\visual studio 2005\projects\wnn1\wnn1\wnn1.cpp(6) : error C2871: 'std' : a namespace with this name does not exist<BR>c:\documents and settings\wn\my documents\visual studio 2005\projects\wnn1\wnn1\wnn1.cpp(10) : error C2065: 'cout' : undeclared identifier<BR>c:\documents and settings\wn\my documents\visual studio 2005\projects\wnn1\wnn1\wnn1.cpp(10) : error C2065: 'endl' : undeclared identifier<BR>c:\documents and settings\wn\my documents\visual studio 2005\projects\wnn1\wnn1\wnn1.cpp(11) : error C2065: 'cin' : undeclared identifier<BR>c:\documents and settings\wn\my documents\visual studio 2005\projects\wnn1\wnn1\wnn1.cpp(11) : error C2228: left of '.get' must have class/struct/union<BR> type is ''unknown-type''<BR>生成日志保存在“file://c:\Documents and Settings\wn\My Documents\Visual Studio 2005\Projects\wnn1\wnn1\Debug\BuildLog.htm”<BR>wnn1 - 5 个错误，0 个警告<BR>========== 生成: 0 已成功, 1 已失败, 0 最新, 0 已跳过 ==========<BR>----------------------------------------------------------------------------------------------------<BR>代码也很简单就是：#include "stdafx.h"</P><P>using namespace std;</P>
<P>int _tmain(int argc, _TCHAR* argv[])<BR>{<BR> cout << "hello" << endl;<BR> cin.get();<BR> return 0;<BR>}<BR>-----------------------------------------<BR>请看看是怎么回事？ </P>
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