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ALGOL 68
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APL
Arturo
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Fennel
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Hy
iogii
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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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Multitap Input
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
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Tutorial
Hole
Golfer
Chars
Time
Submitted
Collatz
madex
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Collatz
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10 days ago
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102
126ms
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🥇
88
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110
122ms
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105
124ms
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3,246
110ms
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118
133ms
25 Jul 2025
Collatz
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104
127ms
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henrydukepickle
97
132ms
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unfinishedprogram
102
128ms
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88
129ms
9 Jun 2025
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sean-niemann
92
126ms
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Collatz
LvLError
108
124ms
29 May 2025
Collatz
CosmicRaichu
110
127ms
25 Apr 2025
Collatz
DialFrost
91
130ms
7 Apr 2025
Collatz
TannerJ07
109
117ms
4 Apr 2025
Collatz
komunre
194
132ms
15 Mar 2025
Collatz
lolgeny
93
127ms
22 Feb 2025
Collatz
emgordon154
98
122ms
18 Feb 2025
Collatz
ComputerKWasTaken
110
126ms
20 Jan 2025
Collatz
nullie
93
124ms
19 Dec 2024
Collatz
edsrzf
91
134ms
29 Nov 2024
Collatz
avila-gabriel
116
133ms
17 Oct 2024
Collatz
FortuiteMan
108
132ms
10 Oct 2024
Collatz
dokutan
100
124ms
3 Oct 2024
Collatz
madeforlosers
108
125ms
5 Sep 2024
Collatz
asterized
110
118ms
24 Aug 2024
Collatz
trist224
93
123ms
12 Aug 2024
Collatz
smartiel
93
129ms
12 Aug 2024
Collatz
Florian-Mt
110
140ms
22 Jul 2024
Collatz
wuzekai518
106
125ms
8 Jul 2024
Collatz
lynn
91
139ms
6 Jul 2024
Collatz
inverseLorentz
92
136ms
27 May 2024
Collatz
HumanoidCPU
101
127ms
7 May 2024
Collatz
rucin93
105
124ms
2 May 2024
Collatz
gurglemurgle5
125
127ms
26 Apr 2024
Collatz
Alex-Huggett
109
125ms
14 Apr 2024
Collatz
77Tigers
104
124ms
9 Apr 2024
Collatz
TylerBloom
96
125ms
22 Mar 2024
Collatz
siltyy
103
123ms
20 Mar 2024
Collatz
TheMadRey
118
125ms
5 Mar 2024
Collatz
CarsonChr
119
125ms
14 Jan 2024
Collatz
mousetail
94
126ms
12 Jan 2024
Collatz
okaponta
102
132ms
11 Jan 2024
Collatz
logvp
93
125ms
2 Jan 2024
Collatz
drabart
112
127ms
15 Dec 2023
Collatz
stefangimmillaro
92
128ms
24 Oct 2023
Collatz
funnsam
130
130ms
23 Oct 2023
Collatz
lambda-abstraction
112
127ms
21 Oct 2023
Collatz
msbranicky
100
138ms
5 Oct 2023
Collatz
snoozingnewt
108
127ms
23 Sep 2023
Collatz
craftablescience
128
125ms
19 Sep 2023
Collatz
yamhab
103
126ms
14 Sep 2023
Collatz
StronkCheese
104
135ms
7 Sep 2023
Collatz
WatMan77
146
172ms
16 Aug 2023
Collatz
GoodDays13
133
130ms
12 Jul 2023
Collatz
AlexanderFair
103
123ms
5 Jul 2023
Collatz
undersquire
104
125ms
21 Jun 2023
Collatz
ovs-code
94
122ms
21 Jun 2023
Collatz
bogdan-cu
151
126ms
31 May 2023
Collatz
MeWhenI
101
127ms
29 May 2023
Collatz
StHagel
105
126ms
25 May 2023
Collatz
klixel
91
128ms
20 May 2023
Collatz
sona-tau
155
121ms
13 Apr 2023
Collatz
Z-snails
104
130ms
27 Feb 2023
Collatz
r-brinke
101
131ms
24 Feb 2023
Collatz
Betuaredead
110
128ms
5 Jan 2023
Collatz
retrohun
3,246
115ms
27 Dec 2022
Collatz
aDwarfNamedUrist
112
123ms
13 Dec 2022
Collatz
snobee
93
127ms
8 Dec 2022
Collatz
Super-Pizza
91
131ms
4 Dec 2022