Compilare: user.cpp: In function ‘int* Dijkstra(std::vector<std::pair<int, int> >*, int)’: user.cpp:14:27: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(dist, INF, sizeof dist); ^ user.cpp:26:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[node].size(); ++i) ^