Compilare: main.cpp: In member function 'void Graph::Kruskal(std::ofstream&)': main.cpp:314:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 314 | for(int j = 0; j < adj[i].size(); ++j){ | ~~^~~~~~~~~~~~~~~ main.cpp:333:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 333 | for(;i < edges.size() && cnt <= E - 1; ++i){ | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::Darb(std::ofstream&)': main.cpp:527:9: warning: unused variable 'fLast_dist' [-Wunused-variable] 527 | int fLast_dist = firstLast.second; | ^~~~~~~~~~