Compilare: main.cpp: In function 'int main()': main.cpp:39:27: warning: unused variable 'aux1' [-Wunused-variable] 39 | int aux=0,verif=0,aux1; | ^~~~ main.cpp: In function 'void dfs(int)': main.cpp:95:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for(int i=0;i<g[x].size();i++) | ~^~~~~~~~~~~~