Compilare: user.cpp:12:26: warning: integer overflow in expression [-Woverflow] const int OO = (1<<31) - 1; ^ user.cpp: In function ‘bool bfs(int&)’: user.cpp:53:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < V[n].size(); i++) ^ user.cpp: In function ‘void edmonds_karp()’: user.cpp:89:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < V[source].size(); i++) ^