foo.cpp:3:14: error: variable 'std::ofstream cout' has initializer but incomplete type
foo.cpp: In function 'int main()':
foo.cpp:47:2: error: reference to 'cout' is ambiguous
foo.cpp:3:10: error: candidates are: <typeprefixerror>cout
In file included from foo.cpp:1:0:
c:\mingw32\bin\../lib/gcc/mingw32/4.7.1/include/c++/iostream:62:18: error:                 std::ostream std::cout