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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
Hilbert Curve
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
Mandelbrot
Maze
Medal Tally
Minesweeper
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
Partition Numbers
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
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
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Semiprime Numbers
Smooth Numbers
Snake
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Tutorial
Hole
Golfer
Bytes
Time
Submitted
Collatz
eddienoon
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108
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117
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121
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98
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michaelmoynihan
101
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436
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103
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140
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93
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122
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462
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432
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98
54ms
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397
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115
57ms
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117
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296
955ms
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208
949ms
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snyderek
🥇
89
60ms
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domi-s
135
958ms
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erikji
112
367ms
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yeminghan2021
99
51ms
3 Feb 2025
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ComputerKWasTaken
122
2,277ms
20 Jan 2025
Collatz
OiHarv
289
967ms
14 Dec 2024
Collatz
08jne01
116
80ms
21 Nov 2024
Collatz
jameswmccarty
148
57ms
24 Sep 2024
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130
57ms
21 Sep 2024
Collatz
Mabeloid
4,269
917ms
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Santaclaus3dprints
134
966ms
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BlankSpruce
96
56ms
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ibrahimhanifceker
107
56ms
9 Aug 2024
Collatz
zygoloid
94
53ms
5 Aug 2024
Collatz
LHLaurini
104
53ms
30 Jul 2024
Collatz
OwenElliottDev
126
55ms
25 Jul 2024
Collatz
joseph-w0ng
153
949ms
5 Jul 2024
Collatz
bac0id
101
54ms
29 Jun 2024
Collatz
eMGeeneer
101
379ms
27 Jun 2024
Collatz
noahgitsham
125
972ms
20 Jun 2024
Collatz
elttil
107
58ms
12 Jun 2024
Collatz
ovs-code
92
53ms
3 Jun 2024
Collatz
tailorspy
93
57ms
27 May 2024
Collatz
HumanoidCPU
101
55ms
6 May 2024
Collatz
Alex-Huggett
153
981ms
14 Apr 2024
Collatz
tik25
148
962ms
28 Mar 2024
Collatz
KatieLG
4,281
958ms
23 Mar 2024
Collatz
Mandrzejy
95
52ms
22 Mar 2024
Collatz
dokutan
98
55ms
17 Mar 2024
Collatz
trinityy-7
118
56ms
7 Mar 2024
Collatz
mathisfun271
156
57ms
19 Feb 2024
Collatz
oceko
98
55ms
19 Feb 2024
Collatz
NormalDoctor
125
54ms
10 Jan 2024
Collatz
kkoenig
96
53ms
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Collatz
AsbestosSniffer
118
943ms
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Collatz
4QT0R
92
54ms
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roupiq
97
55ms
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Collatz
GolfGPT
126
938ms
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Collatz
MateuszPietrzak
96
55ms
18 Nov 2023
Collatz
Herbert00709
92
57ms
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Collatz
wojtekmal
101
52ms
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Yewzir
96
58ms
11 Nov 2023
Collatz
madeforlosers
109
57ms
8 Nov 2023
Collatz
arealhero
186
55ms
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wearsunscreen
133
55ms
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Collatz
09cf
91
53ms
4 Oct 2023