foo.c: In function 'main':
foo.c:26:16: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'char (*)[1000]' [-Wformat=]
   26 |     scanf("%d %s %s", &n,&a,&b);
      |               ~^         ~~
      |                |         |
      |                char *    char (*)[1000]
foo.c:26:19: warning: format '%s' expects argument of type 'char *', but argument 4 has type 'char (*)[1000]' [-Wformat=]
   26 |     scanf("%d %s %s", &n,&a,&b);
      |                  ~^         ~~
      |                   |         |
      |                   char *    char (*)[1000]
foo.c:29:9: warning: unused variable 'len2' [-Wunused-variable]
   29 |     int len2 = strlen(b);
      |         ^~~~
foo.c:28:9: warning: unused variable 'len1' [-Wunused-variable]
   28 |     int len1 = strlen(a);
      |         ^~~~

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