1p3a Question · Nov 2025

Resumable Iterator with Multi-Dimensional Support

Question Details

Problem Overview You need to build a system that can pause and restart a loop (iteration). You must be able to save your current spot and come back to it later. The problem starts easy and gets har

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About This Question

This is a reported interview question from a openai interview for a swe role reported in 2025.

It covers the following topics: Hash Table, Recursion, Sql, Recursion, System Design, Matrix .

Difficulty rating: Easy