Compilare: main.cpp: In member function 'void Graph::DFS(int, std::vector<int>&)': main.cpp:47:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::BFS(int, std::vector<int>&)': main.cpp:74:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int i = 0; i<Ad[parent].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:67:17: warning: unused variable 'distance' [-Wunused-variable] 67 | int parent, distance; | ^~~~~~~~ main.cpp: In member function 'void Graph::topSortDFS(int, std::vector<int>&, std::stack<int>&)': main.cpp:94:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void HavelHakimi()': main.cpp:127:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 127 | 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:150:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 150 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printSCC()': main.cpp:191:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 191 | for(int i = 0; i<scc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:192:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 192 | for(int j = 0; j<scc[i].size(); ++j) | ~^~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::dfsBCC(int, int, int&, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:201:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 201 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printBCC()': main.cpp:241:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 241 | for(int i = 0; i<bcc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:242:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 242 | for(int j = 0; j<bcc[i].size(); ++j) | ~^~~~~~~~~~~~~~