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 Amazon.

What role is this question designed for?

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

Find concatenated words in list

Last updated: Mar 29, 2026

Quick Overview

This question evaluates proficiency in string manipulation, efficient lookup structures (e.g., hashing/trie) and dynamic programming or recursion for word segmentation, testing algorithmic efficiency and data-structure selection within the Coding & Algorithms domain.

Medium
Amazon
Coding & Algorithms
Software Engineer

Amazon

Aug 4, 2025, 10:55 AM

Software Engineer

Technical Screen

Coding & Algorithms

Question

LeetCode 472. Concatenated Words – Given an array of strings words, return all words that are concatenations of at least two shorter words also present in the array.

leetcode.com/problems/concatenated-words/description/

Comments (0)

Loading comments...

Browse More Questions

More Coding & Algorithms•More Amazon•More Software Engineer•Amazon Software Engineer•Amazon Coding & Algorithms•Software Engineer Coding & Algorithms