Compilare: main.cpp: In function 'void dijkstra(int, int)': main.cpp:21:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int k = 0; k < adiacenta[sursa].size(); k++) //iau vecinii nodului curent si verific daca nu exista o calea mai scurta din s catre ei prin intermediul sau | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:23:19: warning: variable 'j' set but not used [-Wunused-but-set-variable] 23 | pair<int, int> j = adiacenta[sursa][k]; | ^