Compilare: main.cpp: In member function 'void Graph::DFS(int, std::vector<int>&)': main.cpp:44:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::BFS(int, std::vector<int>&)': main.cpp:71:25: 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<Ad[parent].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:64:17: warning: unused variable 'distance' [-Wunused-variable] 64 | int parent, distance; | ^~~~~~~~ main.cpp: In member function 'void Graph::topSortDFS(int, std::vector<int>&, std::stack<int>&)': main.cpp:91:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void HavelHakimi()': main.cpp:124:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 124 | if(v.size() < val){ | ~~~~~~~~~^~~~~ main.cpp: In member function 'void Graph::dfsSCC(int, int&, std::vector<int>&, std::vector<int>&, std::vector<bool>&, std::stack<int>&, std::vector<std::vector<int> >&)': main.cpp:147:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 147 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printSCC()': main.cpp:188:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 188 | for(int i = 0; i<scc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:189:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 189 | for(int j = 0; j<scc[i].size(); ++j) | ~^~~~~~~~~~~~~~