prog.cpp: In function ‘int main()’:
prog.cpp:5:13: error: uninitialized const ‘minutesPerHour’ [-fpermissive]
    5 |   const int minutesPerHour;
      |             ^~~~~~~~~~~~~~
prog.cpp:6:18: error: assignment of read-only variable ‘minutesPerHour’
    6 |   minutesPerHour = 60;
      |   ~~~~~~~~~~~~~~~^~~~