Quick Overview

Return the k smallest integers from an unsorted list in ascending order while preserving duplicates. Compare full sorting, a size-k max-heap, quickselect plus prefix sorting, and counting methods across k, memory, repeated queries, and worst-case guarantees.

Return the K Smallest Integers

Company: Hudson River Trading

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: Return the k smallest integers from an unsorted list in ascending order while preserving duplicates. Compare full sorting, a size-k max-heap, quickselect plus prefix sorting, and counting methods across k, memory, repeated queries, and worst-case guarantees.

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