Compilare: main.cpp: In member function 'void Graf::Dijkstra(int)': main.cpp:50:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=0; i<adc[t].size(); i++){ | ~^~~~~~~~~~~~~~ main.cpp:45:17: warning: unused variable 'c' [-Wunused-variable] 45 | int c= -top.first; | ^