foo.c: In function 'main':
foo.c:19:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   19 |   scanf("%d%d",&n1,&n2);
      |   ^~~~~~~~~~~~~~~~~~~~~
foo.c:21:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   21 |   scanf("%d",&a[j]);
      |   ^~~~~~~~~~~~~~~~~
foo.c:23:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   23 |   scanf("%d",&b[j]);
      |   ^~~~~~~~~~~~~~~~~
foo.c: In function 'FindiMinPos':
foo.c:13:9: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |  return k;
      |         ^

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