Compilare: main.cpp: In member function 'int Graph::dijkstra(int, int, int, int)': main.cpp:186:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 186 | for(int i = 0 ; i < this->adjacency[current].size() ; i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::pair<int, int> > Graph::dijkstraPathAndCost(int)': main.cpp:226:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 226 | for(int i = 0 ; i < this->adjacency[current].size() ; i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::zeroOneBFS(int)': main.cpp:254:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 254 | for(int i = 0 ; i < this->adjacency[current].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~