Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:62:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(i=0;i<L[x.nod].size();i++) | ~^~~~~~~~~~~~~~~~ main.cpp:38:11: warning: unused variable 'poz' [-Wunused-variable] 38 | int i,poz,c,j,sub; | ^~~ main.cpp:38:15: warning: unused variable 'c' [-Wunused-variable] 38 | int i,poz,c,j,sub; | ^