foo.c: In function 'FindiMax':
foo.c:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^
foo.c: In function 'main':
foo.c:25:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   25 |  scanf("%d",&n1);
      |  ^~~~~~~~~~~~~~~
foo.c:29:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   29 |   scanf("%d",&a[i]);
      |   ^~~~~~~~~~~~~~~~~

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