foo.c: In function 'main':
foo.c:12:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
12 | scanf("%d%d",&n1,&n2);
| ^~~~~~~~~~~~~~~~~~~~~
foo.c:14:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
14 | scanf("%d",&a[i]);
| ^~~~~~~~~~~~~~~~~
foo.c:16:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
16 | scanf("%d",&b[i]);
| ^~~~~~~~~~~~~~~~~
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