Compilare: main.cpp: In function 'int main()': main.cpp:41:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int j = 0; j < g[nod].size(); ++j) { | ~~^~~~~~~~~~~~~~~ main.cpp:49:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (int i = 0; i < sol.size(); ++i) | ~~^~~~~~~~~~~~