Compilare: user.cpp: In function ‘long long unsigned int gaseste(long long unsigned int)’: user.cpp:15:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[x%N].size();i++) ^ user.cpp: In function ‘void bfs(std::vector<arb>*, int)’: user.cpp:44:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<V[nod].size();i++) ^ user.cpp:47:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[lung++]=V[nod][i].dr+1; ^ user.cpp:50:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[lung++]=3; ^ user.cpp: In function ‘int main()’: user.cpp:91:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[lung]=NULL; ^ user.cpp:91:18: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] cod[lung]=NULL; ^ user.cpp:93:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] cod[lung]=NULL; ^ user.cpp:93:18: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] cod[lung]=NULL; ^ user.cpp:92:19: warning: ‘rad’ may be used uninitialized in this function [-Wmaybe-uninitialized] bfs(V,rad); ^