Compilare: main.cpp: In constructor 'Graf::Graf(int, int, bool, std::vector<std::vector<int> >&)': main.cpp:61:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int j = 0; j < adjacencyList[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In constructor 'Graf::Graf(int, int, bool, std::vector<std::vector<int> >&, bool, std::vector<Graf::edge>&)': main.cpp:92:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for(int j = 0; j < adjacencyList[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::pair<int, int> Graf::bfsDarb(int)': main.cpp:520:32: warning: 'lastVisited' may be used uninitialized in this function [-Wmaybe-uninitialized] 520 | for(int i = lastVisited; i != 0; i = prev[i]){ | ~~^~~~