Compilare: main.cpp: In member function 'void AINT::build(int, int, int, std::vector<int>&)': main.cpp:25:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if (l >= a.size()) return; | ~~^~~~~~~~~~~ main.cpp: In member function 'int HLD::update(int, int)': main.cpp:232:5: warning: no return statement in function returning non-void [-Wreturn-type] 232 | } | ^