Compilare: user.cpp: In function ‘void MCS()’: user.cpp:64:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<G[node].size();j++) ^ user.cpp:53:13: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int ok=0; ^ user.cpp: In function ‘void DFS(int)’: user.cpp:133:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Cliq[node].size();i++) ^ user.cpp:135:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<G2[node].size();i++) ^ user.cpp:140:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<Cliq[node].size();j++) ^