Ctrl+P again to print, arrows/tab to navigate results, enter to confirm

    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Rankings: Medals

    Most tied gold medals in Elixir in chars.

    # Hole Total
    1st Quine 25
    2nd Niven Numbers 16
    3rd Happy Numbers 11
    4th Emirp Numbers 10
    4th Prime Numbers 10
    6th Divisors 9
    7th Pernicious Numbers 8
    8th Day of Week 7
    8th Fibonacci 7
    10th Farey Sequence 5
    10th Leap Years 5
    10th Pangram Grep 5
    13th ISBN 3
    13th Leyland Numbers 3
    13th Multitap Input 3
    13th Prime Numbers (Long) 3
    13th Tower of Hanoi 3
    18th Abundant Numbers 2
    18th Abundant Numbers (Long) 2
    18th Catalan Numbers 2
    18th Collatz 2
    18th Diamonds 2
    18th Evil Numbers 2
    18th Evil Numbers (Long) 2
    18th Fizz Buzz 2
    18th Forsyth–Edwards Notation 2
    18th Game of Life 2
    18th Kolakoski Sequence 2
    18th ln 2 2
    18th Lucky Numbers 2
    18th Niven Numbers (Long) 2
    18th Odious Numbers 2
    18th Odious Numbers (Long) 2
    18th Pernicious Numbers (Long) 2
    18th Rock-paper-scissors-Spock-lizard 2
    18th Roman to Arabic 2
    18th Sierpiński Triangle 2
    18th φ 2
    18th √2 2
    18th 𝑒 2
    41st 12 Days of Christmas 1
    41st 24 Game 1
    41st 99 Bottles of Beer 1
    41st Arabic to Roman 1
    41st Arithmetic Numbers 1
    41st Arrows 1
    41st Ascending Primes 1
    41st ASCII Table 1
    41st Billiards 1
    41st brainfuck 1
    41st Calendar 1
    41st Card Number Validation 1
    41st Catalan’s Constant 1
    41st Christmas Trees 1
    41st Continued Fractions 1
    41st CSS Colors 1
    41st Cubes 1
    41st DFA Simulator 1
    41st Emirp Numbers (Long) 1
    41st Emojify 1
    41st Factorial Factorisation 1
    41st Foo Fizz Buzz Bar 1
    41st Fractions 1
    41st Gijswijt’s Sequence 1
    41st Happy Numbers (Long) 1
    41st Hexdump 1
    41st Hilbert Curve 1
    41st Intersection 1
    41st Inventory Sequence 1
    41st Jacobi Symbol 1
    41st Kaprekar Numbers 1
    41st Kolakoski Constant 1
    41st Levenshtein Distance 1
    41st Look and Say 1
    41st Lucky Tickets 1
    41st Mahjong 1
    41st Mandelbrot 1
    41st Maze 1
    41st Medal Tally 1
    41st Minesweeper 1