Abundant Numbers
539
Abundant Numbers (Long)
592
Arabic to Roman
478
Arrows
397
Card Number Validation
406
Christmas Trees
594
Collatz
679
Cubes
342
Day of Week
379
Diamonds
350
Divisors
742
Emojify
342
Evil Numbers
537
Evil Numbers (Long)
532
Fibonacci
932
Fizz Buzz
890
Foo Fizz Buzz Bar
783
Forsyth–Edwards Notation
382
Happy Numbers
360
Happy Numbers (Long)
450
Hexdump
325
Intersection
450
ISBN
470
Look and Say
484
Medal Tally
282
Morse Decoder
217
Morse Encoder
232
Niven Numbers
565
Niven Numbers (Long)
620
Odious Numbers
521
Ordinal Numbers
314
Pangram Grep
703
Pascal’s Triangle
546
Pernicious Numbers
469
Pernicious Numbers (Long)
522
Rock-paper-scissors-Spock-lizard
350
Seven Segment
363
Spelling Numbers
188
Time Distance
353
Tongue-twisters
338
π
262
𝑒
395