Compilare: main.cpp: In function 'void dijkstra()': main.cpp:81:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for (j=0; j<G[vfmin].size(); j++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:101:12: warning: unused variable 'j' [-Wunused-variable] 101 | int i, j, cnt; | ^ main.cpp:101:15: warning: unused variable 'cnt' [-Wunused-variable] 101 | int i, j, cnt; | ^~~