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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
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Submitted
Roman to Arabic
DialFrost
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HumanoidCPU
243
1 Jul 2024
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bitsandbeyond
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64
7 Jun 2024
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israem
186
27 May 2024
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dcgjb
79
16 May 2024
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SirBogman
86
11 Apr 2024
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IISResetMe
112
8 Mar 2024
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juliansiebert
194
18 Dec 2023
Roman to Arabic
janbehrens
78
3 Dec 2023
Roman to Arabic
DavieDe
416
30 Nov 2023
Roman to Arabic
MaxCastella
142
28 Nov 2023
Roman to Arabic
Feniske
81
26 Nov 2023
Roman to Arabic
Shanethegamer
79
31 Oct 2023
Roman to Arabic
HCRitter
143
23 Oct 2023
Roman to Arabic
nwellnhof
🥈
66
23 Jul 2023
Roman to Arabic
Lydxn
🥈
66
12 May 2023
Roman to Arabic
KevinMarquette
129
17 Apr 2023
Roman to Arabic
KatieLG
42,077
7 Feb 2023
Roman to Arabic
MeWhenI
74
28 Jan 2023
Roman to Arabic
Arnaud-beep
176
16 Nov 2022
Roman to Arabic
Msleizak
192
18 Aug 2022
Roman to Arabic
CarraUjilen
197
29 Jul 2022
Roman to Arabic
JayXon
🥈
66
28 Jun 2021
Roman to Arabic
panekj
194
11 Feb 2021
Roman to Arabic
btnlq
🥈
66
20 Dec 2020
Roman to Arabic
ashscodes
140
29 Oct 2020
Roman to Arabic
rvdnieuwendijk
326
24 Jul 2020
Roman to Arabic
lahell
133
5 Jul 2020
Roman to Arabic
prplz
83
17 Jun 2020
Roman to Arabic
primo-ppcg
🥈
66
17 Jun 2020
Roman to Arabic
krzydoug
167
9 Jun 2020
Roman to Arabic
JoeBigToe
331
5 Jun 2020
Roman to Arabic
rjmholt
342
3 Jun 2020