Compilare: main.cpp: In function 'void Dfs(int, int, int)': main.cpp:15:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for (int i=0;i<g[node].size ();++i){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:49:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (int j=0;j<g[i].size ();++j){ | ~^~~~~~~~~~~~~