Compilare: main.cpp: In function 'void dijkstra(int, int)': main.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(i=0;i<v[poz].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:23:11: warning: unused variable 'cnt' [-Wunused-variable] 23 | int i,cnt,poz,minn,urm,val,dst; | ^~~ main.cpp:23:19: warning: unused variable 'minn' [-Wunused-variable] 23 | int i,cnt,poz,minn,urm,val,dst; | ^~~~ main.cpp:23:32: warning: variable 'dst' set but not used [-Wunused-but-set-variable] 23 | int i,cnt,poz,minn,urm,val,dst; | ^~~