求助大神啊，是不是设置问题啊
VS2008

#include <iostream>
using namespace std;
#include <cmath>
void main()
{
int n = 0;
int a = 0;
int b = 0;
cin>>a>>b;
n = a + b;
cout<< n;
}



错误代码
1>------ Build started: Project: test, Configuration: Debug Win32 ------
1>Compiling...
1>test.cpp
1>Linking...
1>MSVCRTD.lib(crtexew.obj) : error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
1>C:\Users\cqq\Documents\Visual Studio 2008\Projects\test\Debug\test.exe : fatal error LNK1120: 1 unresolved externals
1>Build log was saved at "file://c:\Users\cqq\Documents\Visual Studio 2008\Projects\test\test\Debug\BuildLog.htm"
1>test - 2 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

[解决办法]
你创建工程为win32程序了吧？重新建个控制台程序试试