Compilare: main.cpp: In member function 'void Graph::DFS(int, std::vector<int>&)': main.cpp:54:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::BFS(int, std::vector<int>&)': main.cpp:81:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i = 0; i<Ad[parent].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:74:17: warning: unused variable 'distance' [-Wunused-variable] 74 | int parent, distance; | ^~~~~~~~ main.cpp: In member function 'void Graph::topSortDFS(int, std::vector<int>&, std::stack<int>&)': main.cpp:101:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ 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:224:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 224 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printSCC()': main.cpp:265:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 265 | for(int i = 0; i<scc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:266:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 266 | 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:275:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 275 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printBCC()': main.cpp:315:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 315 | for(int i = 0; i<bcc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:316:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 316 | for(int j = 0; j<bcc[i].size(); ++j) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:324:9: warning: unused variable 'n' [-Wunused-variable] 324 | int n,m,x,y; | ^ main.cpp:324:11: warning: unused variable 'm' [-Wunused-variable] 324 | int n,m,x,y; | ^ main.cpp:324:13: warning: unused variable 'x' [-Wunused-variable] 324 | int n,m,x,y; | ^ main.cpp:324:15: warning: unused variable 'y' [-Wunused-variable] 324 | int n,m,x,y; | ^