Abundant Numbers
542
Abundant Numbers (Long)
597
Arabic to Roman
478
Arrows
397
Card Number Validation
409
Christmas Trees
597
Collatz
682
Cubes
342
Day of Week
379
Diamonds
352
Divisors
760
Emojify
345
Evil Numbers
538
Evil Numbers (Long)
534
Fibonacci
935
Fizz Buzz
891
Foo Fizz Buzz Bar
784
Forsyth–Edwards Notation
386
Happy Numbers
363
Happy Numbers (Long)
453
Hexdump
325
Intersection
454
ISBN
473
Look and Say
489
Medal Tally
286
Morse Decoder
218
Morse Encoder
234
Niven Numbers
568
Niven Numbers (Long)
626
Odious Numbers
523
Ordinal Numbers
314
Pangram Grep
708
Pascal’s Triangle
548
Pernicious Numbers
471
Pernicious Numbers (Long)
529
Rock-paper-scissors-Spock-lizard
350
Seven Segment
366
Spelling Numbers
188
Time Distance
353
Tongue-twisters
338
π
263
𝑒
397