Compilare: main.cpp: In function 'void sume(int)': main.cpp:18:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:29:19: warning: unused variable 'j' [-Wunused-variable] 29 | long long n,i,j,k,a,w; | ^ main.cpp:29:21: warning: unused variable 'k' [-Wunused-variable] 29 | long long n,i,j,k,a,w; | ^