foo.c: In function 'main':
foo.c:17:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
17 | scanf("%d",&m);
| ^~~~~~~~~~~~~~
foo.c:21:4: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
21 | scanf("%d",a+i);
| ^~~~~~~~~~~~~~~
foo.c:22:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
22 | scanf("%d",&x);
| ^~~~~~~~~~~~~~
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