Compilare: main.cpp: In function 'void dfs(int, int, const std::vector<std::vector<int> >&, std::vector<bool>&, std::vector<std::vector<int> >&, std::vector<std::vector<int> >&)': main.cpp:24:21: warning: unused variable 'vecin' [-Wunused-variable] 24 | for(int vecin:graf[nod]){ | ^~~~~ main.cpp: In function 'int main()': main.cpp:55:18: warning: 'root' may be used uninitialized [-Wmaybe-uninitialized] 55 | out<<sum[root][1]; | ^ main.cpp:36:17: note: 'root' was declared here 36 | int n,k,x,y,root; | ^~~~