/in/foo.cc: In function 'int main()':
/in/foo.cc:18:20: error: 'total_hour' was not declared in this scope; did you mean 'total_hours'?
   18 |     int days_added=total_hour/24;
      |                    ^~~~~~~~~~
      |                    total_hours
/in/foo.cc:17:9: warning: unused variable 'total_hours' [-Wunused-variable]
   17 |     int total_hours=h + k;
      |         ^~~~~~~~~~~