Recent Solutions
Golfers
Solutions
All Holes
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
brainfuck
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
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
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
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 v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Clojure
COBOL
Coconut
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Clojure
COBOL
Coconut
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Hole
All
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
brainfuck
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
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
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
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 v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
Factorial Factorisation
RealAMC
878
13 hours ago
12 Days of Christmas
Herbert00709
555
19 hours ago
Quine
NewDefectus
🥈
42
19 hours ago
Divisors
Qruintrox
106
20 hours ago
π
aalec
1,054
a day ago
Van Eck Sequence
Herbert00709
101
a day ago
Reverse Polish Notation
Mandrzejy
165
a day ago
Fizz Buzz
aidangmyers
153
a day ago
Abundant Numbers (Long)
Jonatan6
76
a day ago
CSS Colors
Lydxn
💎
610
2 days ago
Look and Say
rhdqor213
🥈
87
2 days ago
Abundant Numbers
Jonatan6
76
2 days ago
Christmas Trees
Mandrzejy
142
2 days ago
γ
rhdqor213
563
3 days ago
Leyland Numbers
rhdqor213
💎
117
3 days ago
Factorial Factorisation
MeWhenI
125
3 days ago
Fizz Buzz
BoundlessCarrot
75
3 days ago
Leap Years
cpchrispye
69
4 days ago
Abundant Numbers (Long)
HumanoidCPU
78
4 days ago
Abundant Numbers
HumanoidCPU
78
4 days ago
Leyland Numbers
ovs-code
🥈
121
5 days ago
Fibonacci
Flying-Toast
47
5 days ago
Niven Numbers
Flying-Toast
77
6 days ago
Emirp Numbers (Long)
HumanoidCPU
151
6 days ago
Factorial Factorisation
sean-niemann
112
6 days ago
Game of Life
Herbert00709
226
6 days ago
Odious Numbers
Flying-Toast
70
6 days ago
Evil Numbers (Long)
Flying-Toast
71
6 days ago
Evil Numbers
Flying-Toast
69
6 days ago
Collatz
Flying-Toast
77
6 days ago
Abundant Numbers
Flying-Toast
73
6 days ago
Abundant Numbers (Long)
Flying-Toast
73
6 days ago
brainfuck
Flying-Toast
199
6 days ago
Divisors
Herbert00709
70
6 days ago
Niven Numbers
Mandrzejy
51
6 days ago
Divisors
Mandrzejy
66
6 days ago
Prime Numbers
Jonatan6
64
6 days ago
Factorial Factorisation
Jonatan6
285
6 days ago
Prime Numbers (Long)
Jonatan6
65
6 days ago
Pangram Grep
Flying-Toast
110
6 days ago
Emirp Numbers
roupiq
128
7 days ago
Factorial Factorisation
Natanaelel
162
7 days ago
Emirp Numbers (Long)
roupiq
128
7 days ago
Factorial Factorisation
roupiq
🥉
104
7 days ago
λ
roupiq
571
7 days ago
Factorial Factorisation
rhdqor213
💎
94
7 days ago
Morse Encoder
violeta-desantis
243
7 days ago
Van Eck Sequence
dokutan
1,185
7 days ago
Inventory Sequence
dokutan
1,073
7 days ago
Lucky Numbers
dokutan
2,753
7 days ago
λ
Herbert00709
586
8 days ago
Factorial Factorisation
madex
155
8 days ago
Odious Numbers (Long)
Flying-Toast
73
8 days ago
Divisors
Flying-Toast
78
8 days ago
Niven Numbers (Long)
Flying-Toast
77
8 days ago
Pangram Grep
Mandrzejy
150
9 days ago
Factorial Factorisation
GolfingSuccess
115
9 days ago
Pernicious Numbers
elgan65536
60
9 days ago
Pernicious Numbers (Long)
elgan65536
85
9 days ago
brainfuck
violeta-desantis
283
9 days ago