Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:40:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<dij>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i = 0; i < l[nod].size(); ++i) { | ~~^~~~~~~~~~~~~~~ main.cpp:32:27: warning: variable 'nod_d' set but not used [-Wunused-but-set-variable] 32 | int vecin, cost, nod, nod_d, nod_w, cost_w; | ^~~~~