Compilare: main.cpp: In function 'int main()': main.cpp:23:18: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow] 23 | costm[i]=1e18; | ^~~~ main.cpp:34:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int i=0;i<g[nod].size ();++i){ | ~^~~~~~~~~~~~~~~