Abundant Numbers
541
Abundant Numbers (Long)
596
Arabic to Roman
478
Arrows
397
Card Number Validation
408
Christmas Trees
597
Collatz
681
Cubes
357
Day of Week
378
Diamonds
352
Divisors
760
Emojify
344
Evil Numbers
538
Evil Numbers (Long)
533
Fibonacci
935
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Forsyth–Edwards Notation
388
Happy Numbers
362
Happy Numbers (Long)
452
Hexdump
324
Intersection
453
ISBN
472
Look and Say
488
Medal Tally
286
Morse Decoder
219
Morse Encoder
236
Niven Numbers
568
Niven Numbers (Long)
625
Odious Numbers
522
Ordinal Numbers
318
Pangram Grep
707
Pascal’s Triangle
548
Pernicious Numbers
471
Pernicious Numbers (Long)
528
Rock-paper-scissors-Spock-lizard
351
Seven Segment
370
Spelling Numbers
195
Time Distance
353
Tongue-twisters
337
π
263
𝑒
397