Compilare: main.cpp: In function 'int dfs(int, int, int)': main.cpp:40:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int& i=skip[node]; i<edges[node].size(); i++)///thanks to the reference, the skip vector will also change | ~^~~~~~~~~~~~~~~~~~~