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Count subarrays with ≥k identical pairs

Last updated: Mar 29, 2026

Quick Overview

This question evaluates proficiency in array algorithms, frequency-based counting and combinatorial reasoning for identifying equal-element pairs within contiguous subarrays.

  • Medium
  • Uber
  • Coding & Algorithms
  • Software Engineer

Count subarrays with ≥k identical pairs

Company: Uber

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: Medium

Interview Round: Take-home Project

##### Question LeetCode 2537. Count the Number of Good Subarrays – Given an integer array nums and an integer k, return the number of contiguous subarrays in which there are at least k pairs of equal elements (each value contributes at most one pair, regardless of multiplicity). leetcode.com/problems/count-the-number-of-good-subarrays/description/

Quick Answer: This question evaluates proficiency in array algorithms, frequency-based counting and combinatorial reasoning for identifying equal-element pairs within contiguous subarrays.

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Uber logo
Uber
Aug 4, 2025, 10:55 AM
Software Engineer
Take-home Project
Coding & Algorithms
3
0
Question

LeetCode 2537. Count the Number of Good Subarrays – Given an integer array nums and an integer k, return the number of contiguous subarrays in which there are at least k pairs of equal elements (each value contributes at most one pair, regardless of multiplicity).

leetcode.com/problems/count-the-number-of-good-subarrays/description/

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