foo.c: In function 'main':
foo.c:9:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
9 | scanf("%d%d",&n1,&n2);
| ^~~~~~~~~~~~~~~~~~~~~
foo.c:11:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
11 | scanf("%d",&a[i]);
| ^~~~~~~~~~~~~~~~~
foo.c:13:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
13 | scanf("%d",&b[j]);
| ^~~~~~~~~~~~~~~~~
foo.c: In function 'Prime':
foo.c:43:1: warning: control reaches end of non-void function [-Wreturn-type]
43 | }
| ^
[Hydro](https://hydro.ac)提供评测服务