Compilare: main.cpp: In function 'void citire()': main.cpp:26:9: warning: unused variable 'c' [-Wunused-variable] 26 | int c,y; | ^ main.cpp:26:11: warning: unused variable 'y' [-Wunused-variable] 26 | int c,y; | ^ main.cpp: In function 'void dijkstra(int)': main.cpp:53:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<var>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i=0;i<G[u].size();++i) | ~^~~~~~~~~~~~