Compilare: main.cpp: In member function 'void Graph::print_solution(std::vector<int>, int)': main.cpp:211:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 211 | for(int i = start; i < solution.size(); i ++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::BFS(int)': main.cpp:237:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 237 | for(i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::DFS(int)': main.cpp:254:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 254 | for(int i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::biconnected_utility(int, std::stack<int>&, std::vector<int>&, std::vector<std::vector<int> >&, int&)': main.cpp:267:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 267 | for(int i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::biconnected()': main.cpp:357:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 357 | for (int j = 0; j < solution[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::top_sort_utility(int, std::stack<int>&)': main.cpp:412:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 412 | for(int i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::bellman_ford()': main.cpp:459:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 459 | for(j = 0; j < weightedNeighbours[u].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::edmonds_karp()': main.cpp:504:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 504 | for(i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~