foo.cpp:3:1: error: 'uisng' does not name a type
uisng namespace std;
^
foo.cpp: In function 'int main()':
foo.cpp:7:4: error: 'cin' was not declared in this scope
cin>>a>>b;
^
foo.cpp:7:4: note: suggested alternative:
In file included from foo.cpp:1:0:
C:/TDM-GCC-32/lib/gcc/mingw32/4.9.2/include/c++/iostream:60:18: note: 'std::cin'
extern istream cin; /// Linked to standard input
^
foo.cpp:8:4: error: 'cout' was not declared in this scope
cout<<a+b;
^
foo.cpp:8:4: note: suggested alternative:
In file included from foo.cpp:1:0:
C:/TDM-GCC-32/lib/gcc/mingw32/4.9.2/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^