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
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
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
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
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Topological Sort
Trinomial Triangle
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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
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
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
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
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Topological Sort
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Gijswijt’s Sequence
albanian-laundromat
157
36 hours ago
Partition Numbers
albanian-laundromat
136
37 hours ago
Vampire Numbers
albanian-laundromat
392
38 hours ago
Smith Numbers
albanian-laundromat
215
38 hours ago
Recamán
albanian-laundromat
86
38 hours ago
Van Eck Sequence
albanian-laundromat
82
39 hours ago
π
Ralac07
1,009
3 days ago
Ordinal Numbers
albanian-laundromat
129
3 days ago
Inventory Sequence
albanian-laundromat
90
5 days ago
Zeckendorf Representation
albanian-laundromat
133
5 days ago
λ
gigaprofisi
1,009
7 days ago
Minesweeper
albanian-laundromat
292
8 days ago
Mandelbrot
DialFrost
🥉
135
8 days ago
Divisors
albanian-laundromat
72
9 days ago
Catalan Numbers
albanian-laundromat
🥉
317
9 days ago
Look and Say
gigaprofisi
245
9 days ago
99 Bottles of Beer
albanian-laundromat
324
9 days ago
Quine
Mukundan314
🥉
52
10 days ago
Topological Sort
albanian-laundromat
296
11 days ago
τ
RaBa21
1,009
12 days ago
ASCII Table
albanian-laundromat
131
12 days ago
Christmas Trees
albanian-laundromat
118
12 days ago
Scrambled Sort
albanian-laundromat
💎
426
12 days ago
Diamonds
albanian-laundromat
126
13 days ago
Ascending Primes
albanian-laundromat
314
13 days ago
Niven Numbers
albanian-laundromat
76
14 days ago
Kolakoski Sequence
albanian-laundromat
107
14 days ago
Happy Numbers
albanian-laundromat
108
14 days ago
Seven Segment
albanian-laundromat
159
14 days ago
Abundant Numbers (Long)
albanian-laundromat
87
14 days ago
Musical Chords
albanian-laundromat
🥈
519
14 days ago
Mandelbrot
albanian-laundromat
151
14 days ago
N Queens
albanian-laundromat
🥉
263
14 days ago
Foo Fizz Buzz Bar
albanian-laundromat
162
14 days ago
Time Distance
albanian-laundromat
415
14 days ago
Happy Numbers (Long)
albanian-laundromat
108
14 days ago
Prime Numbers
albanian-laundromat
96
14 days ago
Look and Say
albanian-laundromat
181
14 days ago
Quine
albanian-laundromat
114
14 days ago
12 Days of Christmas
albanian-laundromat
558
14 days ago
Set
albanian-laundromat
🥈
377
14 days ago
Pangram Grep
albanian-laundromat
140
14 days ago
Abundant Numbers
albanian-laundromat
87
14 days ago
Factorial Factorisation
albanian-laundromat
158
14 days ago
Fizz Buzz
albanian-laundromat
102
14 days ago
Fibonacci
albanian-laundromat
49
14 days ago
PalindromemordnilaP
albanian-laundromat
🥉
207
14 days ago
Hexdump
albanian-laundromat
322
14 days ago
Billiards
albanian-laundromat
🥈
433
14 days ago
ROT13
albanian-laundromat
🥈
172
14 days ago
Collatz
albanian-laundromat
88
14 days ago
Maze
albanian-laundromat
🥉
284
14 days ago
Arithmetic Numbers
albanian-laundromat
106
14 days ago
Farey Sequence
albanian-laundromat
101
14 days ago
Transpose Sentence
albanian-laundromat
🥉
187
14 days ago
Prime Numbers (Long)
albanian-laundromat
96
14 days ago
π
RaBa21
1,009
17 days ago
Leap Years
albanian-laundromat
66
18 days ago
ISBN
albanian-laundromat
175
18 days ago
Card Number Validation
albanian-laundromat
🥉
159
18 days ago
Tutorial
Bpc-CPU
176
18 days ago
Pangram Grep
sean-niemann
100
19 days ago
ln 2
fuzzylojik-golf
🥉
1,004
23 days ago
Rijndael S-box
fuzzylojik-golf
799
23 days ago
Kolakoski Constant
fuzzylojik-golf
1,004
23 days ago
Catalan’s Constant
fuzzylojik-golf
🥉
1,004
23 days ago
√2
fuzzylojik-golf
1,004
23 days ago
τ
fuzzylojik-golf
1,004
23 days ago
π
fuzzylojik-golf
1,004
23 days ago
λ
fuzzylojik-golf
1,004
23 days ago
γ
fuzzylojik-golf
1,004
23 days ago
φ
fuzzylojik-golf
1,004
23 days ago
Tutorial
FEZfan
70
24 days ago
Set
edsrzf
💎
228
24 days ago
24 Game
rucin93
💎
364
24 days ago