/in/foo.cc: In function 'int main()':
/in/foo.cc:17:34: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
   17 |                         printf("%d", inhand);
      |                                 ~^   ~~~~~~
      |                                  |   |
      |                                  int double
      |                                 %f