foo.c: In function 'main':
foo.c:25:11: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
   25 |   scanf("%d",a[i]);
      |          ~^  ~~~~
      |           |   |
      |           |   int
      |           int *
foo.c:22:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   22 |  scanf("%d",&n);
      |  ^~~~~~~~~~~~~~
foo.c:25:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   25 |   scanf("%d",a[i]);
      |   ^~~~~~~~~~~~~~~~

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