How do I practice coding and algorithm questions?

Use PracHub's coding console to write, test, and debug your solutions in Python or JavaScript. View hints, test against sample inputs, and compare with official solutions.

What difficulty level is this coding question?

This is a medium difficulty Coding & Algorithms question, commonly asked during Take-home Project rounds at Capital One.

What role is this question designed for?

This question is commonly asked for Machine Learning Engineer candidates at Capital One during technical interviews.

Implement string/matrix simulations and counting pairs

Quick Overview

This multi-part question evaluates implementation skills in string processing (case-insensitive substring matching), grid simulation with iterative match-and-collapse rules and gravity, and combinatorial counting of ordered string-pair concatenations.

medium
Capital One
Coding & Algorithms
Machine Learning Engineer

Loading…