Ebay Interview Questions (2026-2027)
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EBay Technical Interview: Reverse Pairs Coding Challenge
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EBay Technical Interview: Reverse Pairs Coding Challenge
Question Details
Had an interesting offline interview experience recently. The interview was scheduled for 30 minutes, and the focus was mainly on one DSA problem. Question asked: Reverse Pairs Given an integer array nums,
return the number of reverse pairs in the array. A reverse pair is defined as a pair (i, j) such that: • 0 <= i < j < nums.length • nums[i] > 2 * nums[j]
Example:
Input: nums = [1,3,2,3,1]
Output: 2 Explanation: The reverse pairs are: • (1,4) → nums[1] = 3, nums[4] = 1, 3 > 2 * 1 • (3,4) → nums[3] = 3, nums[4] = 1, 3 > 2 * 1 LeetCode problem: https://leetcode.com/problems/reverse-pairs/ 💡 Takeaway: If you are appearing for an eBay interview, make sure you have a solid grip on DSA and problem-solving.
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