Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (int num=0;num<V[node].size();num++){ | ~~~^~~~~~~~~~~~~~~ main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int num=0;num<V[node].size();num++){ | ~~~^~~~~~~~~~~~~~~