Compilare: main.cpp: In function 'int main()': main.cpp:67:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (int i = 0; i < G[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp:78:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (int i = 1; i < Rez.size(); i++) | ~~^~~~~~~~~~~~