Compilare: main.cpp:34:14: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 34 | InParser fin("lexicografic.in"); | ^~~~~~~~~~~~~~~~~ main.cpp: In function 'std::ostream& operator>>(std::istream&, Node&)': main.cpp:50:5: warning: no return statement in function returning non-void [-Wreturn-type] 50 | } | ^ main.cpp: In member function 'Node aint::query(int, int)': main.cpp:89:29: warning: variable 'Z' set but not used [-Wunused-but-set-variable] 89 | Node res = Node() , Z = Node(); | ^