Compilare: user.cpp: In function ‘bool BFS(int, int)’: user.cpp:38:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G[actual].size();i++) ^ user.cpp: In function ‘int Edmonds()’: user.cpp:78:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G[1].size();i++) ^ user.cpp:83:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^