Compilare: main.cpp: In function 'void dfs(int, std::vector<std::vector<int> >&, std::vector<bool>&, std::vector<int>&)': main.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for (int j = 0; j < vecini[nod].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:109:13: warning: unused variable 'grad_minim' [-Wunused-variable] 109 | int grad_minim = grade[1].first; | ^~~~~~~~~~ main.cpp:154:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for (int i = 0; i < muchii_adaugate.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~