foo.c: In function 'main':
foo.c:6:18: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'int *' [-Wformat=]
    6 |         scanf("%ld",&n);
      |                ~~^  ~~
      |                  |  |
      |                  |  int *
      |                  long int *
      |                %d
foo.c:7:15: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat=]
    7 |     printf("%ld",n-1);
      |             ~~^  ~~~
      |               |   |
      |               |   int
      |               long int
      |             %d

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