foo.c: In function 'insert':
foo.c:7:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    7 |         scanf("%d",&array[i]);
      |         ^~~~~~~~~~~~~~~~~~~~~
foo.c:11:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   11 |     scanf("%d",&s);
      |     ^~~~~~~~~~~~~~
foo.c: In function 'main':
foo.c:32:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   32 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~

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