Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0; i<L[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp:21:13: warning: unused variable 'vecin' [-Wunused-variable] 21 | int vecin=L[nod][i]; | ^~~~~