Compilare: main.cpp: In member function 'int Graph::bfs(std::vector<std::vector<int> >&, int, int, std::vector<int>&)': main.cpp:124:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for(int v=0; v<rGraph.size(); ++v) | ~^~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::kruskal()': main.cpp:653:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<edgenode> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 653 | for (int i = 0; i < this->edges.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'edgenode* Graph::find_edge(int, int)': main.cpp:727:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edgenode>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 727 | for (int i = 0; i < this->edges[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::havelHakimi(std::vector<int>)': main.cpp:868:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 868 | if(n > degrees.size()) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:1012:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<edgenode> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 1012 | for (int i = 0; i < g.edges.size(); i++) | ~~^~~~~~~~~~~~~~~~