Cracking WalmartLabs: Mastering Binary Tree Coding in a Challenging Onsite Interview

walmartlabs | Full-time | Interview Experience

Interview Date: Not specified
Result: Not specified
Difficulty: Not specified

Interview Process

The interview consisted of three rounds. The first round focused on system design, specifically designing a membership system. The second round included behavioral questions from the hiring manager. The final round involved coding, where I had to implement a binary tree using inorder and postorder traversal.

Technical Questions

  • Construct Binary Tree from Inorder and Postorder Traversal (Binary Tree, Divide and Conquer)

Tips & Insights

It had been a while since I wrote code on a whiteboard, so I felt a bit out of practice. It’s important to stay sharp with whiteboard coding skills before the interview.