/in/foo.cc: In function 'int main()':
/in/foo.cc:91:13: warning: 'total2' may be used uninitialized [-Wmaybe-uninitialized]
   91 |         days=total2-total1;
      |         ~~~~^~~~~~~~~~~~~~
/in/foo.cc:9:25: note: 'total2' was declared here
    9 |         int month2,day2,total2;
      |                         ^~~~~~
/in/foo.cc:91:13: warning: 'total1' may be used uninitialized [-Wmaybe-uninitialized]
   91 |         days=total2-total1;
      |         ~~~~^~~~~~~~~~~~~~
/in/foo.cc:7:25: note: 'total1' was declared here
    7 |         int month1,day1,total1;
      |                         ^~~~~~