Hackerrank-interview-preparation-kit-solutions

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Hackerrank-interview-preparation-kit-solutions

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Solutions to Hackerrank's interview preparation kit.

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# Hackerrank interview prep kit solutions with explanations, see below
Solutions to Hackerrank's interview preparation kit.

# Explanations and notes
These are the problems for which I have written detailed explanations. I usually write these right after solving the problem. If you still have questions open an issue or send me an email. Before reading the explanations make sure to understand the problems. When writting these I assume that the reader will be very familiar with the context. Remember to leave a star if you find this useful!

## Dictionaries and hashmaps
[Ransom Note Explanation](https://medium.com/carlosbf/hash-tables-ransom-note-solution-76ffe7b4d010)

[Two Strings Explanation](https://medium.com/carlosbf/two-strings-solution-d6cff7f5c11c)

[Sherlok and anagrams Explanation](https://medium.com/carlosbf/sherlock-and-anagrams-solution-6ed20bf7c815)

[Frequency Queries Explanation](https://medium.com/carlosbf/frequency-queries-solution-e776d6ac3aa6)

## Sorting

[Sorting: Comparator Explanation](https://medium.com/@carlosbf/sorting-comparator-solution-84f2c12e8c47)

[Merge Sort: Counting Inversions Explanation](https://medium.com/@carlosbf/merge-sort-counting-inversions-solution-46a0b311b20a)

## String manipulation

[Sherlok and the valid string Explanation](https://medium.com/@carlosbf/sherlock-and-the-valid-string-solution-8611ecc9e0d5)

[Special palindrome again Explanation](https://medium.com/carlosbf/special-palindrome-again-solution-80a31ef3c26c)

[Common child Explanation](https://medium.com/carlosbf/common-child-solution-2e3d6dfb2004)

## Greedy algorithms

[Greedy Florist explanation](https://medium.com/@carlosbf/greedy-florist-solution-cc9e7dda76d7)

[Max min Explanation](https://medium.com/@carlosbf/max-min-solution-cecd440ceaad)

[Reverse Merge Shuffle explanation](https://medium.com/@carlosbf/reverse-shuffle-merge-solution-cfc99de8d5e8)

## Search

[Pairs explanation](https://medium.com/carlosbf/pairs-solution-998f6d03c25d)

[Triple sum explanation](https://medium.com/carlosbf/triple-sum-solution-af1f9bfc00f6)

[Minimum time required explanation](https://medium.com/carlosbf/minimum-time-required-solution-4f9397875d10)

This is a work in progress expect regular updates.

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