Compilare: main.cpp: In function 'int main()': main.cpp:36:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i=0; i<graf[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:51:28: warning: 'nod' may be used uninitialized in this function [-Wmaybe-uninitialized] 51 | out<<nod<<" "<<dmin[nod]+1; | ~~~~~~~~^