Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i=0; i<G[nod].size(); i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:56:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(i=0; i<anscnt.size(); i++) | ~^~~~~~~~~~~~~~