foo.c: In function 'Insert':
foo.c:5:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    5 |     scanf("%d",&s[n]);
      |     ^~~~~~~~~~~~~~~~~
foo.c: In function 'main':
foo.c:18:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   18 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~
foo.c:20:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   20 |         scanf("%d",&s[i]);
      |         ^~~~~~~~~~~~~~~~~

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