/in/foo.cc: In function 'void input(int*)':
/in/foo.cc:5:2: error: 'cout' was not declared in this scope
  cout<<a[i]<<endl;
  ^~~~
/in/foo.cc:5:14: error: 'endl' was not declared in this scope
  cout<<a[i]<<endl;
              ^~~~
/in/foo.cc: In function 'void output(int*)':
/in/foo.cc:10:2: error: 'cout' was not declared in this scope
  cout<<a[i]<<endl;
  ^~~~
/in/foo.cc:10:14: error: 'endl' was not declared in this scope
  cout<<a[i]<<endl;
              ^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:1: error: expected ';' before '}' token
 }
 ^