/in/foo.cc: In function 'int main()':
/in/foo.cc:7:18: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Wformat=]
    7 |         printf("%d %d\n", sizeof(a), sizeof(b));
      |                 ~^        ~~~~~~~~~
      |                  |        |
      |                  int      long unsigned int
      |                 %ld
/in/foo.cc:7:21: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
    7 |         printf("%d %d\n", sizeof(a), sizeof(b));
      |                    ~^                ~~~~~~~~~
      |                     |                |
      |                     int              long unsigned int
      |                    %ld