Compilare: main.cpp: In function 'int main()': main.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0; i<mc[nod].size(); i++){ | ~^~~~~~~~~~~~~~~ main.cpp:41:40: warning: narrowing conversion of 'd[vecin]' from 'long long int' to 'int' [-Wnarrowing] 41 | pq.push({vecin, d[vecin]}); | ~~~~~~~^