The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 days. Why not try and solve them ahead of time?

EthanJantz

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23 / 126 Holes

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1 / 64 Langs

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14 / 109 Cheevos

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10 Aug 2025

99 Bottles of Beer

2,492^nd

Abundant Numbers

3,456^th

Abundant Numbers (Long)

1,184^th

Arithmetic Numbers

1,295^th

Ascending Primes

1,006^th

ASCII Table

1,511^th

Card Number Validation

866^th

Collatz

1,237^th

Cubes

688^th

Day of Week

1,314^th

Diamonds

1,682^nd

Divisors

3,640^th

Evil Numbers

933^rd

Fibonacci

1,230^th

Fizz Buzz

2,308^th

Foo Fizz Buzz Bar

1,373^rd

Fractions

1,787^th

Happy Numbers

2,450^th

Leap Years

3,901^st

Niven Numbers

2,848^th

Number Spiral

1,225^th

Pangram Grep

1,345^th

Tic-tac-toe

618^th