/in/foo.cc: In constructor 'LinkList::LinkList(int)':
/in/foo.cc:73:15: warning: unused variable 'head' [-Wunused-variable]
   73 |         Node* head = new Node;
      |               ^~~~
/in/foo.cc:74:15: warning: unused variable 'tail' [-Wunused-variable]
   74 |         Node* tail = new Node;
      |               ^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:163:5: error: 'Lc' was not declared in this scope; did you mean 'Lb'?
  163 |     Lc.Intersection(La, Lb);
      |     ^~
      |     Lb