Eroare de compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:28:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=Tree[node].size()+1;++i) ^ user.cpp: In function ‘void DFS1(int, int)’: user.cpp:45:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=Tree[node].size()+1;++i) ^ user.cpp:60:15: error: ‘sons’ was not declared in this scope if(x!=sons.begin()) ^ user.cpp:68:15: error: ‘sons’ was not declared in this scope if(x!=sons.end()) ^