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Coder Coder's Image Blur Challenge - Ebay Online Assessment - Ebay Interview Question | Codinzhub

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Coder Coder's Image Blur Challenge - Ebay Online Assessment

The Coder Coder team is working on an image-processing feature for its platform.

The image is represented as a **2D matrix

…

Given an array of values, determine the required result under the following conditions.

Input: [4, 8, 15, 16, 23, 42]

Output: 3

Constraints: 1 ≤ n ≤ 10⁵

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2D prefix sums** to calculate the sum of any rectangular region in O(1).

solution.cpp

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Coder Coder's Image Blur Challenge - Ebay Online Assessment

MediumMed•217 views

The Coder Coder team is working on an image-processing feature for its platform.

The image is represented as a **2D matrix

…

Given an array of values, determine the required result under the following conditions.

Input: [4, 8, 15, 16, 23, 42]

Output: 3

Constraints: 1 ≤ n ≤ 10⁵

Access the full question

Unlock the full statement, examples, constraints, and solution guidance.

Ending preview

…

2D prefix sums** to calculate the sum of any rectangular region in O(1).

MediumMed•217 views

Asked at

Ebay

Author: Amit Dayal

Software Engineer

Expert in Data Structures & Algorithms. Building tools to help developers crack FAANG interviews.

Reviewed by Senior Engineers

GitHub

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Last updated Sep 2026