foo.c: In function 'main':
foo.c:10:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
10 | scanf("%d",&n);
| ^~~~~~~~~~~~~~
foo.c:11:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
11 | scanf("%u %u",&sum_x, &sum_y);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.c:13:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
13 | scanf("%u %u",&x, &y);
| ^~~~~~~~~~~~~~~~~~~~~
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