Compilare: main.cpp: In function 'long long int vf(long long int)': main.cpp:37:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<nod>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(i=0;i<v[aux.nod].size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:52:11: warning: unused variable 'j' [-Wunused-variable] 52 | int i,j,st,dr,mij,rasp,a,b,c,d,m,want; | ^