Minimum Steps to Target Number via Modular Addition

OAOpenAILast reported November 2025Low Frequency

Reported: 1× across candidate reports
First seen: November 2025
Last reported: November 2025
Reported outcome: unknown

Problem Overview

Starting from a given number, at each step you can add any element from an array and take modulo. Find minimum steps to reach a target number. Solution: BFS…

The rest of the problem statement — full requirements, constraints, and edge cases
Approach and trade-offs — what passing candidates did, and the mistakes that sink people

Unlock the full OpenAI catalog

Full problem statements, candidate-reported follow-ups, and walkthroughs — for every OpenAI question.

Unlock with Pro

Already a member? Sign in

Verified Source

Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.

Codex Fact-Checked

Technical claims, formulas, and scale numbers are reviewed against primary sources.

Interviewer Follow-ups

The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.