Compilare: main.cpp: In member function 'void Graph::DFS(int, std::vector<int>&)': main.cpp:56:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i = 0; i<Ad[node].size(); ++i) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::BFS(int, std::vector<int>&)': main.cpp:83:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int i = 0; i<Ad[parent].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:76:17: warning: unused variable 'distance' [-Wunused-variable] 76 | int parent, distance; | ^~~~~~~~ main.cpp: In member function 'void Graph::topSortDFS(int, std::vector<int>&, std::stack<int>&)': main.cpp:103:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | 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:263:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 263 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printSCC()': main.cpp:304:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 304 | for(int i = 0; i<scc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:305:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 305 | 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:314:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 314 | for(int i = 0; i<Ad[node].size(); ++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::printBCC()': main.cpp:354:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 354 | for(int i = 0; i<bcc.size(); ++i){ | ~^~~~~~~~~~~ main.cpp:355:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 355 | for(int j = 0; j<bcc[i].size(); ++j) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:363:9: warning: unused variable 'n' [-Wunused-variable] 363 | int n,m,x,y; | ^ main.cpp:363:11: warning: unused variable 'm' [-Wunused-variable] 363 | int n,m,x,y; | ^ main.cpp:363:13: warning: unused variable 'x' [-Wunused-variable] 363 | int n,m,x,y; | ^ main.cpp:363:15: warning: unused variable 'y' [-Wunused-variable] 363 | int n,m,x,y; | ^