Compilare: main.cpp: In function 'int main()': main.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0;i<v[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:47:33: warning: narrowing conversion of '- newcost' from 'long long int' to 'int' [-Wnarrowing] 47 | q.push({-newcost,{newnod,newleft}}); | ^~~~~~~~