Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:20:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1 ; i<=Muchii[Nod].size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:42:18: warning: pointer to a function used in arithmetic [-Wpointer-arith] dfs[i]; ^ user.cpp:42:18: warning: value computed is not used [-Wunused-value] user.cpp:42:18: warning: statement has no effect [-Wunused-value]