/in/foo.cc:1:1: error: 'h' does not name a type
 h>  
 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:5: error: 'cin' was not declared in this scope
     cin >> s1 >> s2 >> t;
     ^~~
/in/foo.cc:7:5: error: 'cout' was not declared in this scope
     cout << fixed << setprecision(2) << x << endl;
     ^~~~
/in/foo.cc:7:13: error: 'fixed' was not declared in this scope
     cout << fixed << setprecision(2) << x << endl;
             ^~~~~
/in/foo.cc:7:36: error: 'setprecision' was not declared in this scope
     cout << fixed << setprecision(2) << x << endl;
                                    ^
/in/foo.cc:7:46: error: 'endl' was not declared in this scope
     cout << fixed << setprecision(2) << x << endl;
                                              ^~~~