帮忙看下这是怎么回事
onfiguration: 作业 - Win32 Debug--------------------Linking...
作业2.obj : error LNK2005: _main already defined in 作业1.obj
Debug/作业.exe : fatal error LNK1169: one or more multiply defined symbols found
Error executing link.exe.
作业.exe - 2 error(s), 0 warning(s)