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Sparse Arrays | HackerRank (JavaScript)

1 min read



There is a collection of input strings and a collection of query strings. For each query string, determine how many times it occurs in the list of input strings.
https://www.hackerrank.com/challenges/sparse-arrays/problem

As a way to improve my coding skills and technical interview prep, I practice HackerRank, Code Wars, and Code Signal problems and solve them live with minimal edits. This allows viewers to see my thought process and problem-solving techniques along with the true struggles I go through when solving these technical coding problems. I also delve into tutorials about building out data structures, algorithms, and various other relevant and practical topics.

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