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?

    Recent Solutions

    Hole Golfer Chars Time Submitted
    Foo Fizz Buzz Bar Matter1024 122
    Fizz Buzz Matter1024 78
    Fibonacci Matter1024 41
    Farey Sequence Matter1024 96
    Divisors Matter1024 64
    Diamonds Matter1024 177
    Factorial Factorisation Matter1024 174
    Odious Numbers (Long) Matter1024 72
    Odious Numbers Matter1024 71
    Evil Numbers (Long) Matter1024 74
    Evil Numbers Matter1024 73
    Emojify Matter1024 202
    Emirp Numbers (Long) Matter1024 1,096
    Emirp Numbers Matter1024 88
    Day of Week Matter1024 56
    Christmas Trees Matter1024 95
    Catalan Numbers Matter1024 62
    CSS Colors Matter1024 2,555
    CSS Colors (Inverse) Matter1024 2,563
    ASCII Table Matter1024 140
    Ascending Primes Matter1024 543
    Arrows Matter1024 140
    Tutorial Matter1024 68
    Arabic to Roman Matter1024 179
    Abundant Numbers (Long) Matter1024 70
    Abundant Numbers Matter1024 70
    12 Days of Christmas Matter1024 489
    Fractions Matter1024 98
    τ Matter1024 106
    π Matter1024 106
    Alphabetic Numbers HumanoidCPU 7,898
    Niven Numbers dokutan 46
    Quine LostSyntax21 18
    Foo Fizz Buzz Bar dokutan 122
    Fizz Buzz dokutan 78
    τ dokutan 658
    π dokutan 658
    ln 2 dokutan 658
    Kolakoski Constant dokutan 658
    Tongue-twisters dokutan 388
    Collatz dokutan 83
    Tutorial FortuiteMan 132
    π Andrey2001 1,006
    Diamonds dokutan 154
    Tutorial Mefred 132
    Tutorial dokutan 71
    𝑒 JOrE20 1,006
    Tutorial HumanoidCPU 68
    Tutorial kurkale6ka 71
    Pernicious Numbers snoozingnewt 63
    Happy Numbers (Long) HumanoidCPU 1,123
    Number Spiral HumanoidCPU 340
    Trinomial Triangle Shanethegamer 2,146
    Pascal’s Triangle HumanoidCPU 848
    Trinomial Triangle HumanoidCPU 2,146
    Odious Numbers HumanoidCPU 176
    Evil Numbers HumanoidCPU 169
    Pascal’s Triangle Shanethegamer 848
    Fibonacci HumanoidCPU 257
    99 Bottles of Beer Shanethegamer 13,181
    12 Days of Christmas Shanethegamer 2,911
    Diamonds Shanethegamer 1,531
    Number Spiral Shanethegamer 340
    Apéry’s Constant Shanethegamer 1,006
    𝑒 Shanethegamer 1,006
    √2 Shanethegamer 1,006
    φ Shanethegamer 1,006
    τ Shanethegamer 1,006
    π Shanethegamer 1,006
    λ Shanethegamer 1,006
    γ Shanethegamer 1,006
    ln 2 Shanethegamer 1,006
    Kolakoski Sequence Shanethegamer 2,003
    Kolakoski Constant Shanethegamer 1,006
    Catalan’s Constant Shanethegamer 1,006
    Gijswijt’s Sequence HumanoidCPU 5,999
    Foo Fizz Buzz Bar HumanoidCPU 10,490
    Hexagonal Spiral HumanoidCPU 1,309
    Kolakoski Constant HumanoidCPU 1,006
    ln 2 HumanoidCPU 1,006