foo.cc: In function 'int main()':
foo.cc:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
30 | scanf("%d",&n);
| ~~~~~^~~~~~~~~
foo.cc:33:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
33 | scanf("%d",&x);
| ~~~~~^~~~~~~~~
foo.cc:37:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
37 | for(int i=1;i<=n;i++)scanf("%d",&cor[i]);
| ~~~~~^~~~~~~~~~~~~~
[Hydro](https://hydro.ac)提供评测服务