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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 Chars Time Submitted
    Niven Numbers Matter1024 47
    Niven Numbers (Long) Matter1024 66
    Jacobi Symbol Matter1024 173
    ASCII Table Matter1024 172
    Flags roelderickx 4,444
    brainfuck Matter1024 192
    12 Days of Christmas Matter1024 492
    Fractions Matter1024 99
    τ Matter1024 92
    π Matter1024 92
    Pernicious Numbers (Long) Matter1024 88
    Tutorial madex 70
    Fizz Buzz madex 71
    Fractions madex 97
    Continued Fractions Matter1024 140
    Alphabetic Numbers HumanoidCPU 4,908
    Factorial Factorisation Matter1024 127
    Zeckendorf Representation Matter1024 112
    Odious Numbers dokutan 48
    Evil Numbers (Long) dokutan 49
    Evil Numbers dokutan 48
    Trinomial Triangle Matter1024 100
    Pascal’s Triangle Matter1024 87
    Odious Numbers (Long) dokutan 49
    Intersection Matter1024 148
    Tic-tac-toe Matter1024 150
    Gray Code Encoder Matter1024 57
    Day of Week Matter1024 112
    Calendar dokutan 201
    99 Bottles of Beer Matter1024 240
    ASCII Table Yewzir 169
    Tutorial FortuiteMan 155
    Arabic to Roman dokutan 122
    Look and Say Matter1024 74
    Multitap Input dokutan 155
    π Andrey2001 1,016
    Fibonacci Andrey2001 47
    Zodiac Signs dokutan 179
    Tutorial Mefred 155
    Repeating Decimals Matter1024 170
    Tutorial Matter1024 69
    Gray Code Decoder GolfingSuccess 65
    𝑒 JOrE20 1,016
    Tutorial HumanoidCPU 69
    𝑒 dokutan 670
    π dokutan 661
    Prime Numbers (Long) dokutan 2,835
    Kaprekar Numbers dokutan 349
    Hexagonal Spiral dokutan 266
    Farey Sequence dokutan 1,811
    Divisors dokutan 610
    Diamonds dokutan 153
    Catalan Numbers dokutan 1,763
    Ascending Primes dokutan 333
    99 Bottles of Beer dokutan 695
    Hexagonal Spiral bitsandbeyond 235
    Pernicious Numbers snoozingnewt 41
    Multitap Input Shanethegamer 149
    Tower of Hanoi dokutan 56
    Tongue-twisters dokutan 181
    Spelling Numbers dokutan 518
    Lucky Tickets dokutan 2,501
    Tower of Hanoi KatieLG 4,100
    Tower of Hanoi HumanoidCPU 80
    𝑒 BREMAUCY 1,016
    Taxicab Numbers Shanethegamer 4,177
    Taxicab Numbers HumanoidCPU 4,177
    Smooth Numbers GolfingSuccess 80
    Smooth Numbers Shanethegamer 90
    Arrows HumanoidCPU 150
    Prime Numbers (Long) HumanoidCPU 63
    Prime Numbers HumanoidCPU 60
    Arithmetic Numbers HumanoidCPU 92
    PalindromemordnilaP HumanoidCPU 111
    Leap Years HumanoidCPU 49
    Leap Years dokutan 45
    Fibonacci dokutan 42
    Tutorial dokutan 155
    Fibonacci Zach1031 52
    Kolakoski Sequence HumanoidCPU 2,013