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
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
Mandelbrot
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
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
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
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
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
Mandelbrot
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Rijndael S-box
JOrE-Softwares
800
53 mins ago
Forsyth–Edwards Notation
Yax42
126
7 hours ago
Scrambled Sort
Yax42
🥉
128
10 hours ago
Fizz Buzz
Ralac07
121
13 hours ago
Fibonacci
emgordon154
52
14 hours ago
Scrambled Sort
stefangimmillaro
🥇
122
15 hours ago
Scrambled Sort
fuzzylojik-golf
140
15 hours ago
DFA Simulator
namelessiw
190
22 hours ago
Odious Numbers
Yax42
59
27 hours ago
Leap Years
Yax42
60
29 hours ago
Inventory Sequence
Yax42
86
30 hours ago
Evil Numbers
Yax42
60
31 hours ago
Pernicious Numbers
Yax42
🥇
55
32 hours ago
Abundant Numbers (Long)
tomh1012
85
2 days ago
Abundant Numbers
tomh1012
86
2 days ago
Prime Numbers
codewrite
152
2 days ago
Pernicious Numbers
fuzzylojik-golf
🥇
55
3 days ago
λ
heanyang1
1,020
3 days ago
Divisors
codewrite
120
3 days ago
Rijndael S-box
Schmitt-Very-Cool
800
3 days ago
Collatz
fuzzylojik-golf
84
4 days ago
Intersection
sean-niemann
170
5 days ago
Scrambled Sort
namelessiw
🥇
122
5 days ago
Fizz Buzz
FEZfan
127
5 days ago
Divisors
fuzzylojik-golf
77
5 days ago
Fizz Buzz
fuzzylojik-golf
💎
74
5 days ago
Foo Fizz Buzz Bar
fuzzylojik-golf
💎
96
5 days ago
Pernicious Numbers
Lv0Sys
150
5 days ago
Tutorial
smclaughlin-cf
127
6 days ago
Christmas Trees
KAKISKA-code
167
8 days ago
99 Bottles of Beer
8p2e8mik
356
8 days ago
Diamonds
KAKISKA-code
370
8 days ago
12 Days of Christmas
8p2e8mik
566
8 days ago
Rijndael S-box
heanyang1
790
9 days ago
Musical Chords
heanyang1
401
9 days ago
ROT13
fuzzylojik-golf
103
9 days ago
Day of Week
fuzzylojik-golf
🥇
63
9 days ago
Abundant Numbers (Long)
fuzzylojik-golf
84
9 days ago
Abundant Numbers
fuzzylojik-golf
84
9 days ago
Fractions
fuzzylojik-golf
150
9 days ago
Quadratic Formula
namelessiw
592
9 days ago
Abundant Numbers (Long)
Illuminum2
86
10 days ago
Abundant Numbers
Illuminum2
85
10 days ago
Abundant Numbers
Yax42
83
10 days ago
Pangram Grep
BREMAUCY
98
11 days ago
24 Game
sean-niemann
🥈
386
11 days ago
Sphenic Numbers
Shanethegamer
120
11 days ago
Game of Life
namelessiw
104
13 days ago
Game of Life
sean-niemann
110
13 days ago
Sphenic Numbers
namelessiw
94
13 days ago
Sphenic Numbers
DialFrost
97
13 days ago
Evil Numbers (Long)
Yax42
69
14 days ago
Snake
namelessiw
189
15 days ago
Tic-tac-toe
codewrite
315
15 days ago
Leap Years
codewrite
74
16 days ago
Vampire Numbers
Yax42
244
16 days ago
Semiprime Numbers
DialFrost
97
16 days ago
Semiprime Numbers
namelessiw
95
16 days ago
Semiprime Numbers
sean-niemann
95
16 days ago
Leyland Numbers
Yax42
136
16 days ago
Tutorial
RoBoardGod
86
17 days ago
Catalan Numbers
fuzzylojik-golf
80
17 days ago
12 Days of Christmas
kebal2
516
17 days ago
Niven Numbers (Long)
fuzzylojik-golf
🥇
69
17 days ago
Niven Numbers
fuzzylojik-golf
🥇
60
17 days ago
Fizz Buzz
codewrite
113
17 days ago
Semiprime Numbers
Shanethegamer
101
17 days ago
Apéry’s Constant
namelessiw
184
18 days ago
Divisors
stefangimmillaro
78
18 days ago
Zodiac Signs
JayXon
💎
154
18 days ago
Reverse Polish Notation
codewrite
252
18 days ago
Musical Chords
Yax42
156
18 days ago
24 Game
codewrite
1,899
19 days ago
Tutorial
RYSF13
122
19 days ago
Zodiac Signs
Yax42
🥈
156
19 days ago