LeetCode—105. Construct Binary Tree from Preorder and Inorder Traversal
LeetCode—105. Construct Binary Tree from Preorder and Inorder Traversal 题目 根据前序遍历和中序遍历建立二叉树。注意二叉树中没有重复的数字。 思路及解法 根据前序遍历和中序遍历的特点，通过前序遍历列表确定根节点，在中序遍历的列表里找出根节点，左边就是左子树，右边就是右子树，中序遍历列表确定左子树和右子树的长度，实际在递归过程中
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