foo.c: In function 'main':
foo.c:24:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
24 | scanf("%d%d",&a,&b);
| ^~~~~~~~~~~~~~~~~~~
foo.c:27:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
27 | scanf("%d",&m[i]);
| ^~~~~~~~~~~~~~~~~
foo.c:35:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
35 | scanf("%d",&n[i]);
| ^~~~~~~~~~~~~~~~~
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