Compilare: user.cpp: In function ‘void DFS(int, std::vector<std::pair<int, int> >*)’: user.cpp:20:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); ++i){ ^ user.cpp: In function ‘int Find(long long int)’: user.cpp:30:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Hash[List].size(); ++i){ ^ user.cpp: In function ‘int main()’: user.cpp:57:20: warning: ‘rot’ may be used uninitialized in this function [-Wmaybe-uninitialized] DFS(rot, G); ^