Implement solutions to several coding tasks

Company: Meta

Role: Machine Learning Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Onsite

Quick Answer: This multipart prompt evaluates algorithmic problem-solving and data-structure design skills across several areas: finding a minimum in a rotated sorted array (binary search), implementing a time-based key-value store, computing lowest common ancestor in a binary tree, and marking a path on a 2D maze.