foo.c: In function 'main':
foo.c:7:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
7 | scanf("%d\n",&n);
| ^~~~~~~~~~~~~~~~
foo.c:8:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
8 | scanf("%d",&x[0]);
| ^~~~~~~~~~~~~~~~~
foo.c:12:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
12 | scanf("%d",&x[i]);
| ^~~~~~~~~~~~~~~~~
[Hydro](https://hydro.ac)提供评测服务