foo.c: In function 'main':
foo.c:30:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   30 |     scanf("%d%d",&n1,&n2);
      |     ^~~~~~~~~~~~~~~~~~~~~
foo.c:32:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   32 |         scanf("%d",&s1[i]);
      |         ^~~~~~~~~~~~~~~~~~
foo.c:35:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   35 |         scanf("%d",&s2[i]);
      |         ^~~~~~~~~~~~~~~~~~

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