foo.c: In function 'main':
foo.c:9:17: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long int *' [-Wformat=]
    9 |         scanf("%d", &x);
      |                ~^   ~~
      |                 |   |
      |                 |   long int *
      |                 int *
      |                %ld
foo.c:15:18: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
   15 |         printf("%d", s);
      |                 ~^   ~
      |                  |   |
      |                  int long int
      |                 %ld

[Hydro](https://hydro.ac)提供评测服务