Run id: 95267

Main.cc:2:16: error: expected identifier before '(' token
 using namespace() std;
                ^
Main.cc:2:16: error: expected ';' before '(' token
Main.cc:2:17: error: expected unqualified-id before ')' token
 using namespace() std;
                 ^
Main.cc: In function 'int main()':
Main.cc:5:5: error: 'cout' was not declared in this scope
     cout>>1*3.1415926>>endl;
     ^
Main.cc:5:5: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
Main.cc:5:24: error: 'endl' was not declared in this scope
     cout>>1*3.1415926>>endl;
                        ^
Main.cc:5:24: note: suggested alternative:
In file included from /usr/include/c++/5/iostream:39:0,
                 from Main.cc:1:
/usr/include/c++/5/ostream:590:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^