Compilare: main.cpp: In function 'void prim()': main.cpp:2:13: warning: overflow in conversion from 'long int' to 'int' changes value from '99999999999' to '1215752191' [-Woverflow] 2 | #define INF 99999999999 | ^~~~~~~~~~~ main.cpp:13:26: note: in expansion of macro 'INF' 13 | viz[i]=0,dmin[i]=INF; | ^~~ main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int i=0;i<L[x].size();i++) | ~^~~~~~~~~~~~