Compilare: main.cpp: In function 'void dfs_connected()': main.cpp:65:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(int j = 0; j < result.size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int conexidad()': main.cpp:81:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for (int current_index = 0; current_index < components.size() - 1; current_index++) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:105:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(int i = 0; i < added_edges.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~