idiomatic_katas.md

Idiomatic Katas

Implement the following katas in a language of your choice. The objective is to try to find "canonical" or "idiomatic" solutions to the problems

1. Find max number in nested list of numbers [[1 2] [3 4]]
2. Validate date
3. Check if number is prime
4. Generate a prime number series
5. Transpose of a matrix
6. Diagonals of a matrix
7. Number of days between two dates
8. Fibonacci series
   • First n fibonacci terms
   • First n even fibonacci terms
   • Only even terms within the first n fibonacci terms
9. Frequency table of a list
10. Index of positions of a list
    • Given a list, make a table of each element and all the positions it occurs at
11. Sum of two lists [1,2] + [3,4]
12. Express a number in words: 2345 == Two Thousand Three Hundred And Forty Five
13. Minimum value of one array against another
    • A = [1,2,3,4,5] B = ["a","a","b","a","c"] => {"a":1,"b":3,"c":5}
14. Check winning conditions for Tic Tac Toe
15. Classify a poker hand as Full House, Royal Flush etc.
16. Mean/Median/Mode
17. Langton's Ant
18. Conway's Game Of Life