Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for (int j = 0; j < vecini[nod].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:142:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 142 | for (int i = 0; i < muchii_adaugate.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~