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05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
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Qore
Racket
Rebol
Rexx
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Chess Move Validation
Christmas Trees
Collatz
Connect Four
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
Gray Code Decoder
Gray Code Encoder
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
Nim
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
Ulam Sequence
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Thue–Morse Constant
Turtle
Tutorial
Yellowstone Permutation
Hole
Golfer
Chars
Time
Submitted
Collatz
soumyadeep9474
401
2,025ms
2 days ago
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michaelmoynihan
98
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14 Aug 2026
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135
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99
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91
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98
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110
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118
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108
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96
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97
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105
56ms
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novaspaced
115
61ms
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104
62ms
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samuel-thesing
109
1,276ms
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351
1,316ms
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balloffur
110
446ms
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kellantech
103
54ms
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120
1,331ms
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eddienoon
127
69ms
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108
64ms
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109
61ms
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118
2,346ms
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snoozingnewt
101
459ms
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98
63ms
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CaedenHarper
107
77ms
28 Sep 2025
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matejmatik123
108
1,690ms
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kmathis22
117
2,306ms
25 Sep 2025
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Arkadios200
121
1,305ms
21 Sep 2025
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timhaj
98
67ms
12 Sep 2025
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CuboidRaptor
436
1,331ms
28 Aug 2025
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Ohh-n
114
60ms
9 Aug 2025
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gjoacorp
103
59ms
4 Aug 2025
Collatz
Bpc-CPU
113
67ms
11 Jul 2025
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fuzzylojik-golf
96
61ms
14 Jun 2025
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strogor
140
1,310ms
13 Jun 2025
Collatz
sean-niemann
93
57ms
9 Jun 2025
Collatz
PxL801
462
1,285ms
5 May 2025
Collatz
SamNew01
432
1,278ms
5 May 2025
Collatz
cuzdav
98
57ms
4 May 2025
Collatz
meh-mf
397
1,282ms
4 May 2025
Collatz
0dyse
115
60ms
23 Apr 2025
Collatz
heanyang1
117
62ms
20 Apr 2025
Collatz
ShinyHunter04
296
1,333ms
8 Apr 2025
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kevinnaviapaiva
208
1,341ms
6 Mar 2025
Collatz
snyderek
🥇
89
59ms
19 Feb 2025
Collatz
domi-s
135
1,301ms
9 Feb 2025
Collatz
erikji
112
449ms
4 Feb 2025
Collatz
yeminghan2021
99
63ms
3 Feb 2025
Collatz
ComputerKWasTaken
122
2,980ms
20 Jan 2025
Collatz
OiHarv
289
1,337ms
14 Dec 2024
Collatz
08jne01
116
62ms
21 Nov 2024
Collatz
jameswmccarty
148
60ms
24 Sep 2024
Collatz
rethaliate
130
62ms
21 Sep 2024
Collatz
Mabeloid
4,269
1,259ms
17 Sep 2024
Collatz
Santaclaus3dprints
134
1,412ms
10 Sep 2024
Collatz
BlankSpruce
96
83ms
20 Aug 2024
Collatz
ibrahimhanifceker
107
62ms
9 Aug 2024
Collatz
zygoloid
94
61ms
5 Aug 2024
Collatz
LHLaurini
104
81ms
30 Jul 2024
Collatz
OwenElliottDev
126
53ms
25 Jul 2024
Collatz
joseph-w0ng
153
1,308ms
5 Jul 2024
Collatz
bac0id
101
61ms
29 Jun 2024
Collatz
eMGeeneer
101
495ms
27 Jun 2024
Collatz
noahgitsham
125
1,270ms
20 Jun 2024
Collatz
elttil
107
65ms
12 Jun 2024
Collatz
ovs-code
92
79ms
3 Jun 2024
Collatz
tailorspy
93
74ms
27 May 2024
Collatz
HumanoidCPU
101
66ms
6 May 2024
Collatz
Alex-Huggett
153
1,735ms
14 Apr 2024
Collatz
tik25
148
1,389ms
28 Mar 2024
Collatz
KatieLG
4,281
1,301ms
23 Mar 2024
Collatz
Mandrzejy
95
65ms
22 Mar 2024
Collatz
trinityy-7
118
63ms
7 Mar 2024
Collatz
mathisfun271
156
66ms
19 Feb 2024
Collatz
oceko
98
64ms
19 Feb 2024
Collatz
NormalDoctor
125
70ms
10 Jan 2024
Collatz
kkoenig
96
61ms
21 Dec 2023
Collatz
AsbestosSniffer
118
1,294ms
3 Dec 2023
Collatz
4QT0R
92
63ms
23 Nov 2023
Collatz
GolfGPT
126
1,326ms
19 Nov 2023
Collatz
MateuszPietrzak
96
83ms
18 Nov 2023
Collatz
wojtekmal
101
61ms
15 Nov 2023
Collatz
Yewzir
96
58ms
11 Nov 2023
Collatz
madeforlosers
109
65ms
8 Nov 2023
Collatz
arealhero
186
94ms
3 Nov 2023
Collatz
wearsunscreen
133
78ms
19 Oct 2023
Collatz
09cf
91
60ms
4 Oct 2023
Collatz
MEarley
166
1,931ms
19 Sep 2023
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dranjohn
113
432ms
17 Sep 2023
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Widgitty
103
562ms
1 Sep 2023
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msbranicky
125
64ms
20 Aug 2023
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Pyro569
119
63ms
29 Jul 2023
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Walter225
100
69ms
25 Jul 2023