Compilare: main.cpp: In function 'int main()': main.cpp:13:31: warning: unused variable 'nod' [-Wunused-variable] 13 | long long int n,t,m,i,x,y,nod,vecin; | ^~~ main.cpp:13:35: warning: unused variable 'vecin' [-Wunused-variable] 13 | long long int n,t,m,i,x,y,nod,vecin; | ^~~~~ main.cpp: In function 'void dfs(long long int)': main.cpp:49:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(long long int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~