Compilare: main.cpp: In function 'void initializare(int)': main.cpp:67:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(i=0; i<G[start].size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra(int)': main.cpp:91:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(i=0; i<G[vfmin].size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp:80:11: warning: unused variable 'j' [-Wunused-variable] 80 | int i,j,timp,watt,vfmin; | ^