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
N Queens
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
N Queens
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
Chars
Submitted
12 Days of Christmas
HumanoidCPU
2,494
12 hours ago
π
HumanoidCPU
1,016
19 hours ago
γ
HumanoidCPU
1,016
20 hours ago
N Queens
sean-niemann
💎
132
3 days ago
Emirp Numbers
HumanoidCPU
184
3 days ago
Emojify
dokutan
478
5 days ago
Factorial Factorisation
sean-niemann
💎
92
5 days ago
Factorial Factorisation
xsot
🥈
94
5 days ago
N Queens
MeWhenI
🥉
1,407
6 days ago
Fizz Buzz
dokutan
67
6 days ago
Foo Fizz Buzz Bar
dokutan
97
6 days ago
ln 2
HumanoidCPU
1,016
7 days ago
N Queens
KatieLG
1,408
7 days ago
N Queens
Shanethegamer
🥈
1,404
8 days ago
SI Units
sean-niemann
💎
1,127
8 days ago
γ
sciencejiho
1,018
10 days ago
π
sciencejiho
1,018
10 days ago
Pascal’s Triangle
dokutan
799
10 days ago
Rock-paper-scissors-Spock-lizard
dokutan
🥉
559
10 days ago
Pangram Grep
dokutan
198
10 days ago
Divisors
dokutan
63
10 days ago
Diamonds
dokutan
219
10 days ago
Tongue-twisters
dokutan
547
10 days ago
CSS Colors
dokutan
🥉
4,422
10 days ago
Fibonacci
dokutan
45
11 days ago
Ordinal Numbers
dokutan
172
11 days ago
Fibonacci
Mandrzejy
41
11 days ago
Divisors
xsot
🥇
49
11 days ago
Number Spiral
HumanoidCPU
322
11 days ago
Spelling Numbers
xsot
💎
272
12 days ago
Leyland Numbers
xsot
🥉
69
12 days ago
Abundant Numbers (Long)
xsot
60
13 days ago
Abundant Numbers
xsot
59
13 days ago
Arithmetic Numbers
xsot
🥈
64
13 days ago
Van Eck Sequence
xsot
🥇
42
13 days ago
π
aalec
1,018
16 days ago
Prime Numbers (Long)
xsot
🥇
45
16 days ago
99 Bottles of Beer
Xzyaihni
357
20 days ago
Factorial Factorisation
msbranicky
167
21 days ago
√2
HumanoidCPU
1,018
22 days ago
φ
HumanoidCPU
1,016
22 days ago
Factorial Factorisation
Shanethegamer
🥉
116
23 days ago
Kolakoski Constant
HumanoidCPU
1,016
23 days ago
Rijndael S-box
dokutan
🥈
794
24 days ago
Number Spiral
dokutan
320
24 days ago
Repeating Decimals
xsot
💎
124
25 days ago
Look and Say
xsot
💎
67
25 days ago
Collatz
Alex-Huggett
81
25 days ago
γ
dokutan
1,014
25 days ago
Happy Numbers
dokutan
149
25 days ago
Factorial Factorisation
dokutan
873
25 days ago
Inventory Sequence
xsot
🥇
43
25 days ago
Kolakoski Sequence
xsot
💎
44
25 days ago
Prime Numbers
Yewzir
43
26 days ago
λ
HumanoidCPU
1,016
26 days ago
Factorial Factorisation
KatieLG
877
26 days ago
Factorial Factorisation
Yewzir
873
26 days ago
Factorial Factorisation
HumanoidCPU
875
26 days ago
Factorial Factorisation
MeWhenI
875
26 days ago
τ
HumanoidCPU
1,016
27 days ago