The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 7 days. Why not try and solve them ahead of time?

yeminghan2021 (he/him)

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Why everyone can write very short code...

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22 / 126 Holes

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1 / 64 Langs

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17 / 109 Cheevos

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1 Feb 2025

12 Days of Christmas

30^th

99 Bottles of Beer

27^th

ASCII Table

36^th

Card Number Validation

16^th

Christmas Trees

36^th

Collatz

39^th

Evil Numbers (Long)

33^rd

Fibonacci

1^st

Foo Fizz Buzz Bar

27^th

Fractions

27^th

Inventory Sequence

28^th

Leap Years

30^th

Multitap Input

8^th

Niven Numbers (Long)

30^th

Pascal’s Triangle

25^th

Prime Numbers (Long)

24^th

Quine

34^th

Reverse Polish Notation

18^th

Tic-tac-toe

10^th

Tongue-twisters

22^nd

Tower of Hanoi

29^th

Van Eck Sequence

11^th