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

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Minesweeper firegene 254
    Evil Numbers (Long) professor-l 68
    Zeckendorf Representation professor-l 122
    12 Days of Christmas F4075 474
    Christmas Trees professor-l 94
    Reversi firegene 441
    Odious Numbers (Long) solisolu 47
    Gray Code Decoder firegene 79
    Look and Say Apfelvater 192
    Continued Fractions 0dyse 270
    ASCII Table denkyuu1 119
    brainfuck codingisgreatbutiamnot 259
    Card Number Validation ComradeSquirrel 200
    Number Spiral jameswmccarty 204
    Number Spiral Steffan153 92
    Gray Code Encoder davecame 62
    24 Game BrunoVisnadi 246
    Number Spiral edsrzf 95
    Farey Sequence solisolu 129
    Star Wars Opening Crawl blaztoma 269
    Polyominoes edsrzf 245
    QR Decoder firegene 238
    Repeating Decimals solisolu 203
    Leap Years plcc0 46
    Calendar solisolu 255
    Lucky Tickets Andrey2001 1,372
    Arabic to Roman mishak-sys 218
    φ aksyristos 55
    Gray Code Decoder sean-niemann 75
    Divisors Sandw1ch123 63
    Leyland Numbers Sandw1ch123 87
    Collatz Sandw1ch123 74
    Pangram Grep vishwathg 87
    12 Days of Christmas Achouak-Daamache 449
    12 Days of Christmas OutWrest 473
    Transpose Sentence Flekay 92
    Sierpiński Triangle LostSyntax21 128
    Musical Chords madex 298
    Morse Decoder madex 206
    Mahjong madex 449
    Repeating Decimals madex 191
    Ascending Primes Googolplexo 146
    Trinomial Triangle Googolplexo 76
    Ordinal Numbers Googolplexo 96
    Christmas Trees Googolplexo 82
    Prime Numbers Googolplexo 61
    Foo Fizz Buzz Bar Googolplexo 104
    Abundant Numbers (Long) mishak-sys 69
    Happy Numbers aksyristos 🥇 62
    Prime Numbers aksyristos 41
    Gray Code Encoder AstroOrbis 66
    Evil Numbers Googolplexo 44
    Inventory Sequence Googolplexo 60
    Emirp Numbers Googolplexo 108
    Abundant Numbers Googolplexo 66
    Emirp Numbers (Long) professor-l 159
    Recamán Googolplexo 71
    Prime Numbers professor-l 64
    99 Bottles of Beer professor-l 283
    Gray Code Decoder DialFrost 75
    Divisors professor-l 🥇 57
    Foo Fizz Buzz Bar professor-l 🥇 83
    Polyominoes plcc0 240
    Pernicious Numbers professor-l 61
    Tower of Hanoi professor-l 94
    Recamán Matter1024 73
    Abundant Numbers professor-l 87
    Recamán denkyuu1 91
    Reverse Polish Notation denkyuu1 144
    Gray Code Decoder LostSyntax21 77
    Gray Code Encoder LostSyntax21 62
    Medal Tally blaztoma 133
    SI Units aksyristos 457
    Pangram Grep Matter1024 77
    Niven Numbers Matter1024 48
    Pernicious Numbers madex 49
    Reversi plcc0 139
    π MostParsingVex 124
    Abundant Numbers ComradeSquirrel 82
    Abundant Numbers (Long) ComradeSquirrel 83