foo.c: In function 'main':
foo.c:10:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &m, &n);
^~~~~~~~~~~~~~~~~~~~~~
foo.c:13:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[i]);
^~~~~~~~~~~~~~~~~~
foo.c:15:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &b[i]);
^~~~~~~~~~~~~~~~~~
[Hydro](https://hydro.ac)提供评测服务