Compilare: main.cpp: In member function 'void Graph::printGraph()': main.cpp:76:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j = 0; j < adlist[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'Graph Graph::transpose()': main.cpp:150:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 150 | for(j = 0; j < adlist[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::stronglyConnectedComponents()': main.cpp:179:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 179 | for(j = 0; j < comp[i].size(); ++j) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::graphExistsHakimi(std::vector<int>&, int)': main.cpp:215:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 215 | if(degree > dg.size())//check if enough elements are in the list | ~~~~~~~^~~~~~~~~~~ main.cpp:218:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 218 | for(int i = 0; i < dg.size(); ++i) | ~~^~~~~~~~~~~ main.cpp: In member function 'void Graph::df(int, bool*, int*, int*, std::vector<std::vector<int> >)': main.cpp:238:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 238 | for(int i = 0; i < adlist[node].size(); ++i) //for each neighbour | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graph::criticalConnections(int, std::vector<std::vector<int> >&)': main.cpp:264:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 264 | for(int i = 0; i < connections.size(); ++i)//for each edge | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::biconnectedComponents()': main.cpp:392:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 392 | for(int i = 0; i < biconnected.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:453:9: warning: unused variable 'i' [-Wunused-variable] 453 | int i, first, n, m; | ^ main.cpp:453:12: warning: unused variable 'first' [-Wunused-variable] 453 | int i, first, n, m; | ^~~~~