Quick Overview

This question evaluates the ability to process timestamped event logs and extract ordered length-3 visit sequences, testing skills in sorting, frequency aggregation, set-based deduplication, combinatorial pattern enumeration, and efficient use of data structures.

Find the Most Common Visit Pattern

Company: Amazon

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: hard

Interview Round: Onsite

Overview: This question evaluates the ability to process timestamped event logs and extract ordered length-3 visit sequences, testing skills in sorting, frequency aggregation, set-based deduplication, combinatorial pattern enumeration, and efficient use of data structures.

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