foo.c: In function 'main':
foo.c:14:12: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
14 | int m,n,p;scanf("%d%d%d",&m,&n,&p);
| ^~~~~~~~~~~~~~~~~~~~~~~~
foo.c:18:4: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
18 | scanf("%d",&a[i][j]);
| ^~~~~~~~~~~~~~~~~~~~
foo.c:21:4: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
21 | scanf("%d",&b[i][j]);
| ^~~~~~~~~~~~~~~~~~~~
[Hydro](https://hydro.ac)提供评测服务