105. Construct Binary Tree from Preorder and Inorder Traversal
Problem Statement
Given two integer arrays preorder
and inorder
where preorder
is the preorder traversal of a binary tree and inorder
is the inorder traversal of the same tree, construct and return the binary tree.
Example 1:
Example 2:
Constraints:
1 <= preorder.length <= 3000
inorder.length == preorder.length
-3000 <= preorder[i], inorder[i] <= 3000
preorder
andinorder
consist of unique values.Each value of
inorder
also appears inpreorder
.preorder
is guaranteed to be the preorder traversal of the tree.inorder
is guaranteed to be the inorder traversal of the tree.
Intuition
Links
https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/
Video Links
https://www.youtube.com/watch?v=aZNaLrVebKQ&ab_channel=takeUforward
Approach 1:
C++
Approach 2:
C++
Approach 3:
C++
Approach 4:
C++
Similar Problems
Previous222. Count Complete Tree NodesNext106. Construct Binary Tree from Inorder and Postorder Traversal
Last updated