Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int x=0; x<v[nodcur].size(); ++x) | ~^~~~~~~~~~~~~~~~~ main.cpp:38:13: warning: unused variable 'valcur' [-Wunused-variable] 38 | int valcur=Q.top().val; | ^~~~~~