Compilare: user.cpp:1:25: warning: extra tokens at end of #include directive [enabled by default] #include <bits/stdc++.h>; ^ user.cpp: In function ‘void solve()’: user.cpp:38:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size(); i++){ ^ user.cpp:30:13: warning: variable ‘cost’ set but not used [-Wunused-but-set-variable] int nod,cost; ^