Eroare de compilare: main.cpp: In function 'int main()': main.cpp:34:74: warning: comparison of integer expressions of different signedness: 'std::queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 34 | while (ordered_edges_queue.size() && minimum_spanning_tree_edges.size() != nr_nodes - 1) { | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:61:63: error: 'edges_list' was not declared in this scope; did you mean 'edge_cost'? 61 | fout << minimum_spanning_tree_edges.front().first << ' ' << edges_list.front().second << '\n'; | ^~~~~~~~~~ | edge_cost Non zero exit status: 1