Compilare: main.cpp: In constructor 'Graf::Graf(int, int, bool, std::vector<std::vector<int> >&)': main.cpp:41:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int j = 0; j < adjacencyList[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::bfs(int, int)': main.cpp:69:15: warning: unused variable 'n' [-Wunused-variable] 69 | const int n = m_nrNodes + 1; | ^ main.cpp:104:5: warning: 'lastVisited' may be used uninitialized in this function [-Wmaybe-uninitialized] 104 | if(lastVisited != start) return -1; | ^~