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 easy difficulty Coding & Algorithms question, commonly asked during Onsite rounds at Google.

What role is this question designed for?

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

Build a next-word frequency predictor

Last updated: May 21, 2026

Quick Overview

This question evaluates understanding of data structures and algorithms for frequency counting and associative lookups, including preprocessing-versus-query trade-offs, tie-breaking, and handling edge cases in sequential data.