Compilare: user.cpp: In function ‘int dfs(int)’: user.cpp:22:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[Nod].size(); ++ i){ ^ user.cpp: In function ‘void fluxmax()’: user.cpp:52:9: warning: unused variable ‘Maxflow’ [-Wunused-variable] int Maxflow = 0; ^ user.cpp: In function ‘int main()’: user.cpp:79:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Sol.size(); ++i) ^