Compilare: main.cpp: In function 'void InverseBFS(Node*, std::vector<int>&)': main.cpp:71:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int i = 0; i < akt->ends.size(); i++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:95:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for(int i = 0; i < A.size(); i++){ | ~~^~~~~~~~~~