Arabic to Roman
4th
Arrows
brainfuck
24th6th
Card Number Validation
4th
Christmas Trees
218th
12th
CSS Colors
Day of Week
6th
Diamonds
3rd
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
12th
Hexdump
Intersection
ISBN
18th7th
Jacobi Symbol
Kolakoski Sequence
9th
Leap Years
Levenshtein Distance
Leyland Numbers
Look and Say
5th
Medal Tally
Morse Decoder
3rd
Morse Encoder
3rd
Musical Chords
Niven Numbers
Odious Numbers
Odious Numbers (Long)
Pangram Grep
Poker
3rd
Prime Numbers
Prime Numbers (Long)
Proximity Grid
Quine
2nd
Reverse Polish Notation
14th
Roman to Arabic
Rule 110
7th
Seven Segment
5th
Sudoku (Fill-in)
2nd
Ten-pin Bowling
Time Distance
Tongue-twisters
3rd
Transpose Sentence
United States
Vampire Numbers
5th
Van Eck Sequence
Zodiac Signs
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