Sparse Arrays HackerRank Solution[Optimized Approach]

Published: 30 June 2019
on channel: JAVAAID - Coding Interview Preparation

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In this video, I have solved hackerrank sparse arrays problem by applying prepressing technique.
hackerrank sparse arrays problem can be solved by using map data structure. The complexity of sparse arrays hackerrank solution is O (N+Q). This hackerrank problem is a part of Practice | Data Structures | Arrays | Sparse arrays hackerrank challenge.

For simplicity, I have divided this hackerrank tutorial into 3 parts.
[00:00] Understanding the problem statement.
[02:44] Building the logic to solve the problem.
[09:35] Coding the logic using java (you can use your own preferred programming language).

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