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ALGOL 68
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
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Arrows
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ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
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Catalan’s Constant
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Day of Week
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Diamonds
Divisors
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Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
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Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
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Gray Code Encoder
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Happy Numbers (Long)
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Intersection
Inventory Sequence
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Jacobi Symbol
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Levenshtein Distance
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ln 2
Look and Say
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Maze
Medal Tally
Minesweeper
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Morse Encoder
Multitap Input
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N Queens
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Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
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Pascal’s Triangle
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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
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CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
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Bytes
Time
Submitted
Happy Numbers
Mikey-Beep
111
16ms
2 days ago
Happy Numbers
vang1ong7ang
🥇
62
10ms
2 days ago
Happy Numbers
JNedd26
126
19ms
2 days ago
Happy Numbers
madeforlosers
115
19ms
2 days ago
Happy Numbers
jusaka
🥇
62
11ms
8 days ago
Happy Numbers
professor-l
162
10ms
8 days ago
Happy Numbers
Andrey2001
84
17ms
8 days ago
Happy Numbers
aksyristos
🥇
62
10ms
11 days ago
Happy Numbers
denkyuu1
82
40ms
13 days ago
Happy Numbers
solisolu
83
18ms
19 days ago
Happy Numbers
madex
87
31ms
25 days ago
Happy Numbers
zgialor-lab
111
12ms
10 Mar 2026
Happy Numbers
Aquateraneal
98
10ms
6 Mar 2026
Happy Numbers
Apfelvater
124
24ms
2 Mar 2026
Happy Numbers
JOrE20
69
10ms
25 Feb 2026
Happy Numbers
netfri25
89
21ms
24 Feb 2026
Happy Numbers
FoxInTheClouds
🥇
62
11ms
19 Feb 2026
Happy Numbers
dokutan
🥇
62
11ms
17 Feb 2026
Happy Numbers
Flekay
🥇
62
10ms
12 Feb 2026
Happy Numbers
SectorCorruptor
68
11ms
8 Feb 2026
Happy Numbers
tomh1012
111
11ms
5 Feb 2026
Happy Numbers
77Tigers
79
48ms
13 Jan 2026
Happy Numbers
phucthaiv02
90
12ms
7 Jan 2026
Happy Numbers
FusionAtom360
133
18ms
4 Jan 2026
Happy Numbers
averagepythondev
119
10ms
2 Jan 2026
Happy Numbers
NoneTheFewer
148
17ms
25 Dec 2025
Happy Numbers
CommandLeo
78
50ms
23 Dec 2025
Happy Numbers
KasperKivimaeki
🥇
62
10ms
8 Dec 2025
Happy Numbers
FortuiteMan
81
75ms
5 Dec 2025
Happy Numbers
bizy-coder
🥇
62
11ms
5 Dec 2025
Happy Numbers
ryyyn
🥇
62
10ms
4 Dec 2025
Happy Numbers
CaedenHarper
🥇
62
10ms
4 Dec 2025
Happy Numbers
luuumine
81
78ms
4 Dec 2025
Happy Numbers
sunleonid
🥇
62
11ms
4 Dec 2025
Happy Numbers
Lv0Sys
84
22ms
29 Nov 2025
Happy Numbers
snoozingnewt
🥇
62
11ms
28 Nov 2025
Happy Numbers
HPWiz
🥇
62
11ms
26 Nov 2025
Happy Numbers
Code-Coder-coder
87
10ms
24 Nov 2025
Happy Numbers
Emutis
🥇
62
10ms
16 Nov 2025
Happy Numbers
blaztoma
🥇
62
10ms
16 Nov 2025
Happy Numbers
Babafaba
65
12ms
5 Nov 2025
Happy Numbers
ApoChagi
114
19ms
25 Oct 2025
Happy Numbers
DrakeSeteraO
73
10ms
25 Oct 2025
Happy Numbers
TJK-S
139
10ms
22 Oct 2025
Happy Numbers
DGipe
135
18ms
22 Oct 2025
Happy Numbers
countlpaul-dotcom
68
11ms
19 Oct 2025
Happy Numbers
ian-h-chamberlain
109
22ms
16 Oct 2025
Happy Numbers
ndren
🥇
62
10ms
7 Oct 2025
Happy Numbers
CornerMercury
🥇
62
10ms
7 Oct 2025
Happy Numbers
jacekwladzinski
94
17ms
2 Oct 2025
Happy Numbers
qpwoeirut
68
9ms
1 Oct 2025
Happy Numbers
ESOrSomething
142
11ms
29 Sep 2025
Happy Numbers
edsrzf
🥇
62
10ms
15 Sep 2025
Happy Numbers
mathb0y512
94
36ms
11 Sep 2025
Happy Numbers
InigoK
78
38ms
5 Sep 2025
Happy Numbers
arjunarya1
115
11ms
28 Aug 2025
Happy Numbers
EthanJantz
128
19ms
27 Aug 2025
Happy Numbers
wobblybits
99
17ms
18 Aug 2025
Happy Numbers
katss2
90
13ms
14 Aug 2025
Happy Numbers
muser-logiccpu
204
10ms
9 Aug 2025
Happy Numbers
andrewjc2000
86
17ms
5 Aug 2025
Happy Numbers
Zhenyu-Bo
306
11ms
1 Aug 2025
Happy Numbers
YAJUE114514
92
26ms
28 Jul 2025
Happy Numbers
BREMAUCY
🥇
62
11ms
26 Jul 2025
Happy Numbers
robin-scragg
97
9ms
25 Jul 2025
Happy Numbers
dirckvdende
🥇
62
10ms
24 Jul 2025
Happy Numbers
osNiko
122
10ms
23 Jul 2025
Happy Numbers
csharpython
97
18ms
17 Jul 2025
Happy Numbers
SanderRuud
68
11ms
13 Jul 2025
Happy Numbers
clayboll99
115
12ms
11 Jul 2025
Happy Numbers
lukegustafson
🥇
62
10ms
11 Jul 2025
Happy Numbers
RaBa21
92
9ms
10 Jul 2025
Happy Numbers
codewrite
98
18ms
10 Jul 2025
Happy Numbers
rollsroyce0
103
19ms
8 Jul 2025
Happy Numbers
albanian-laundromat
68
11ms
30 Jun 2025
Happy Numbers
4atj
🥇
62
10ms
30 Jun 2025
Happy Numbers
123mjb
111
13ms
26 Jun 2025
Happy Numbers
jipsong
79
56ms
20 Jun 2025
Happy Numbers
ffelixm
92
10ms
12 Jun 2025
Happy Numbers
strogor
132
11ms
9 Jun 2025