Compilare: main.cpp: In function 'void initializare(int, int)': main.cpp:75:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(i=0; i<G[start].size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int dijkstra(int, int)': main.cpp:102:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(i=0; i<G[vfmin].size(); i++) | ~^~~~~~~~~~~~~~~~ main.cpp:88:11: warning: unused variable 'j' [-Wunused-variable] 88 | int i,j,timp,watt,vfmin; | ^