Quick Overview

This question evaluates competency in string expression generation under a custom left-to-right evaluation rule and in-place binary search tree manipulation to form a sorted doubly linked list, covering expression evaluation, digit concatenation constraints, and pointer-based data structure transformations.

Solve Expression and Tree-List Problems

Company: Pinterest

Role: Machine Learning Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Onsite

Overview: This question evaluates competency in string expression generation under a custom left-to-right evaluation rule and in-place binary search tree manipulation to form a sorted doubly linked list, covering expression evaluation, digit concatenation constraints, and pointer-based data structure transformations.

Read the full Pinterest Machine Learning Engineer interview experience this question came from

Loading…