📅  最后修改于: 2022-03-11 14:52:05.632000             🧑  作者: Mango
1
2 3
4 5
//(a) Inorder (Left, Root, Right) : 4 2 5 1 3
//(b) Preorder (Root, Left, Right) : 1 2 4 5 3
//(c) Postorder (Left, Right, Root) : 4 5 2 3 1