hectahertz / 99-problems-reason

Solutions to 99 Problems implemented in Reason 🚀

99 Problems in Reason 🚀

Solutions to 99 Problems implemented in ReasonML.

Working with lists

1. Write a function last : 'a list -> 'a option that returns the last element of a list. (easy)

Solution

2. Find the last but one (last and penultimate) elements of a list. (easy)

Solution

3. Find the k'th element of a list. (easy)

Solution

4. Find the number of elements of a list. (easy)

Solution

5. Reverse a list. (easy)

Solution

6. Find out whether a list is a palindrome. (easy)

Solution

7. Flatten a nested list structure. (medium)

Solution

8. Eliminate consecutive duplicates of list elements. (medium)

Solution

9. Pack consecutive duplicates of list elements into sublists. (medium)

Solution

10. Run-length encoding of a list. (easy)

Solution

11. Modified run-length encoding. (easy)

Solution

12. Decode a run-length encoded list. (medium)

Solution

Build

npm run build

Build + Watch

npm run watch

Inspiration

• 99.re