How do I approach Coding & Algorithms interview questions?

Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

What difficulty level is this interview question?

This is a Medium difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at NVIDIA.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at NVIDIA during technical interviews.

Construct tree from inorder & postorder

Last updated: Mar 29, 2026

Quick Overview

This question evaluates understanding of binary tree reconstruction and traversal order relationships, specifically the ability to derive tree structure from inorder and postorder arrays and implement the corresponding algorithm.

Medium
NVIDIA
Coding & Algorithms
Software Engineer

NVIDIA

Aug 4, 2025, 10:55 AM

Software Engineer

Technical Screen

Coding & Algorithms

Question

LeetCode 106. Construct Binary Tree from Inorder and Postorder Traversal – Given the inorder and postorder traversal arrays of a binary tree, construct and return the binary tree.

https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/description/

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