/in/foo.cc:33:2: warning: "/*" within comment [-Wcomment]
  /*for(int i=1;i<=2000;i++)
   
/in/foo.cc: In member function 'bign bign::operator=(int)':
/in/foo.cc:72:2: warning: no return statement in function returning non-void [-Wreturn-type]
  }
  ^
/in/foo.cc: In member function 'bign bign::operator=(char*)':
/in/foo.cc:82:2: warning: no return statement in function returning non-void [-Wreturn-type]
  }
  ^