How many 2d-array interview questions are there?

1 reported question, mostly Coding & Leetcode-style Questions.

How hard are 2d-array questions?

They average 2.0 out of 5: 1 at 2/5.

2d-array Interview Questions

1 interview question in our bank covers 2d-array, most of them Coding & Leetcode-style Questions. They average 2.0/5 difficulty — easy — and each one was reported by a candidate after a real interview. Companies known to ask about 2d-array: BlackRock.

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Companies that ask about 2d-array

BlackRock1

Question mix

Coding & Leetcode-style Questions1

Difficulty

2/5 — easy1

Questions tagged 2d-array

Sum of Submatrix
2/5
This BlackRock algorithmic challenge requires you to compute cumulative values across rectangular subregions within a two-dimensional grid efficiently. It tests your mastery of prefix sum techniques to answer range queries in constant or optimal time. You will need to handle matrix boundaries and coordinate mappings cleanly. The complete problem specifications and optimal solution code require a subscription.
Coding & Leetcode-style QuestionsBlackRock

2d-array interview FAQ

How many 2d-array interview questions are there?: 1 reported question, mostly Coding & Leetcode-style Questions.
Which companies ask 2d-array questions?: BlackRock (1).
How hard are 2d-array questions?: They average 2.0 out of 5: 1 at 2/5.

Companies that ask about 2d-array

Question mix

Difficulty

Questions tagged 2d-array

Sum of Submatrix

2d-array interview FAQ