foo.c: In function 'main':
foo.c:19:18: warning: format '%d' expects argument of type 'int', but argument 2 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
   19 |         printf("%d %d",strlen(a)-1,strlen(b)-1);
      |                 ~^     ~~~~~~~~~~~
      |                  |              |
      |                  int            size_t {aka long unsigned int}
      |                 %ld
foo.c:19:21: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
   19 |         printf("%d %d",strlen(a)-1,strlen(b)-1);
      |                    ~^              ~~~~~~~~~~~
      |                     |                       |
      |                     int                     size_t {aka long unsigned int}
      |                    %ld

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