Write a function that takes a 4-digit integer and returns how many iterations are required to reach Kaprekar's constant (6174). For more information about Kaprekar's Constant please follow the wikipedia page.

manwar@manwar:~/github/manwar.org/public/stats$ gen-adopted-dist | jq --sort-keys --indent 4 '.' > adopted-distributions.json
manwar@manwar:~/github/manwar.org/public/stats$ gen-personal-dist a d | jq --sort-keys --indent 4 '.' > pd-a-d.json
manwar@manwar:~/github/manwar.org/public/stats$ gen-personal-dist e z | jq --sort-keys --indent 4 '.' > pd-e-z.json

Update year manually in the file:

• github/manwar.org/public/stats/pull-request-master.json

You are given an integer, $int > 3.

Write a script to generate the Kolakoski Sequence of given length $int and return the count of 1 in the generated sequence. Please follow the wikipedia page for more informations.

You are given a positive integer, $int.

Write a script to add thausand separator, , and return as string.

You are given an array of distinct integers.

Write a script to find all pairs of elements with the minimum absolute difference.

You are given an array of sentences.

Write a script to return the maximum number of words that appear in a single sentence.

You are given an array of strings.

Write a script to return all strings that are a substring of another word in the given array in the order they occur.

You are given an array of integers.

Write a script to return the average excluding the minimum and maximum of the given array.

You are given a string.

Write a script to return the number of good substrings of length three in the given string.