Tree 2

#105
Construct Binary Tree from Preorder and Inorder Traversal

给定二叉树的先序遍历与中序遍历,构建二叉树

Tree
Medium
#106
Construct Binary Tree from Inorder and Postorder Traversal

给定二叉树的后序遍历与中序遍历,构建二叉树

Tree
Medium