Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:49:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int x=0;x<v[nodcur].size();++x) | ~^~~~~~~~~~~~~~~~~ main.cpp:45:13: warning: unused variable 'valcur' [-Wunused-variable] 45 | int valcur=Q.top().val; | ^~~~~~