Compilare: main.cpp: In function 'void fil(long long int, long long int)': main.cpp:33:29: 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] 33 | for(long long f = 0 ; f < v[nod].size() ; f ++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:29: 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] 61 | for(long long f = 0 ; f < lanturi.size() ; f ++) | ~~^~~~~~~~~~~~~~~~ main.cpp:65:33: 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] 65 | for(long long e = 0 ; e < lanturi.size() ; e ++) | ~~^~~~~~~~~~~~~~~~