How do I approach Coding & Algorithms interview questions?

Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

What difficulty level is this interview question?

This is a Medium difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Airbnb.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Airbnb during technical interviews.

Implement Connect Four game

Last updated: Mar 29, 2026

Quick Overview

This question evaluates implementation skills for game state management, move handling, and efficient winner-detection algorithms, testing competence in data structures, algorithmic complexity analysis, and correctness under edge cases.

Medium
Airbnb
Coding & Algorithms
Software Engineer

Airbnb

Aug 4, 2025, 10:55 AM

Software Engineer

Technical Screen

Coding & Algorithms

Question

Design and implement the Connect Four game board, player moves, and winner-detection logic. Discuss time/space complexity and possible follow-ups such as AI opponent or scalable multiplayer service.

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