In function 'void delete_list(node*)',
    inlined from 'int main(int, char**)' at foo.cc:59:13:
foo.cc:29:22: warning: 'head' may be used uninitialized [-Wmaybe-uninitialized]
   29 |                 point=point->next;
      |                 ~~~~~^~~~~~~~~~~~
foo.cc: In function 'int main(int, char**)':
foo.cc:37:22: note: 'head' was declared here
   37 |         struct node *head;
      |                      ^~~~

[Hydro](https://hydro.ac)提供评测服务