Quick Overview

Remove duplicate integers while preserving the order of their first appearances. Use a membership set alongside a separate output list for linear expected time, retain the first copy, return a new list, and handle up to one million values.

Remove Duplicate Integers While Preserving Order

Company: Upstart

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: easy

Interview Round: Online Assessment

Overview: Remove duplicate integers while preserving the order of their first appearances. Use a membership set alongside a separate output list for linear expected time, retain the first copy, return a new list, and handle up to one million values.

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