foo.c: In function 'main':
foo.c:16:14: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'int *' [-Wformat=]
   16 |     scanf("%ld", &num);
      |            ~~^   ~~~~
      |              |   |
      |              |   int *
      |              long int *
      |            %d
foo.c:34:39: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat=]
   34 |         printf("这个数转为二进制为：%ld", binary);
      |                                     ~~^   ~~~~~~
      |                                       |   |
      |                                       |   int
      |                                       long int
      |                                     %d

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