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
Reversi
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
Reversi
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
Reversi
Shanethegamer
🥈
225
2 hours ago
Reversi
error256
💎
182
8 hours ago
Prime Numbers
DialFrost
71
a day ago
Factorial Factorisation
DialFrost
138
a day ago
Prime Numbers (Long)
DialFrost
72
a day ago
Rijndael S-box
error256
🥈
124
3 days ago
Van Eck Sequence
HumanoidCPU
120
5 days ago
Levenshtein Distance
m-tkach
🥇
99
10 days ago
Catalan Numbers
HumanoidCPU
2,905
13 days ago
Evil Numbers (Long)
HumanoidCPU
1,983
13 days ago
Odious Numbers (Long)
HumanoidCPU
1,978
13 days ago
Odious Numbers
HumanoidCPU
106
14 days ago
Kolakoski Sequence
HumanoidCPU
2,033
14 days ago
Inventory Sequence
HumanoidCPU
2,656
14 days ago
Leap Years
HumanoidCPU
763
14 days ago
ASCII Table
HumanoidCPU
307
14 days ago
Fibonacci
HumanoidCPU
167
14 days ago
Abundant Numbers (Long)
HumanoidCPU
997
15 days ago
Abundant Numbers
HumanoidCPU
196
15 days ago
Happy Numbers (Long)
sean-niemann
🥇
91
16 days ago
Cubes
HumanoidCPU
2,859
17 days ago
√2
Yewzir
139
18 days ago
φ
Yewzir
136
18 days ago
Evil Numbers
HumanoidCPU
103
18 days ago
Number Spiral
sean-niemann
🥇
126
18 days ago
Look and Say
HumanoidCPU
1,311
18 days ago
N Queens
ovs-code
💎
143
18 days ago
Christmas Trees
HumanoidCPU
577
19 days ago
99 Bottles of Beer
HumanoidCPU
11,917
19 days ago
Arithmetic Numbers
HumanoidCPU
37,674
19 days ago
Pernicious Numbers (Long)
HumanoidCPU
20,694
19 days ago
Rule 110
HumanoidCPU
10,132
19 days ago
Niven Numbers (Long)
HumanoidCPU
7,470
19 days ago
Lucky Numbers
HumanoidCPU
4,852
19 days ago
Foo Fizz Buzz Bar
HumanoidCPU
5,751
19 days ago
Farey Sequence
HumanoidCPU
4,386
19 days ago
24 Game
HumanoidCPU
12,464
19 days ago
Collatz
HumanoidCPU
3,258
19 days ago
Gijswijt’s Sequence
HumanoidCPU
2,032
19 days ago
Smith Numbers
HumanoidCPU
1,856
19 days ago
φ
HumanoidCPU
1,035
19 days ago
√2
HumanoidCPU
1,035
19 days ago
𝑒
HumanoidCPU
1,036
19 days ago
ln 2
HumanoidCPU
1,035
19 days ago
Emirp Numbers (Long)
HumanoidCPU
1,188
19 days ago
Diamonds
HumanoidCPU
1,135
19 days ago
τ
HumanoidCPU
1,035
19 days ago
Recamán
HumanoidCPU
929
19 days ago
Pascal’s Triangle
HumanoidCPU
801
19 days ago
γ
HumanoidCPU
1,035
19 days ago
Kolakoski Constant
HumanoidCPU
1,035
19 days ago
Catalan’s Constant
HumanoidCPU
1,035
19 days ago
N Queens
HumanoidCPU
1,278
19 days ago
Leyland Numbers
HumanoidCPU
918
19 days ago
Vampire Numbers
HumanoidCPU
1,103
19 days ago
Rijndael S-box
HumanoidCPU
815
19 days ago
Sierpiński Triangle
HumanoidCPU
424
19 days ago
Factorial Factorisation
HumanoidCPU
894
19 days ago
Happy Numbers (Long)
HumanoidCPU
584
19 days ago
12 Days of Christmas
HumanoidCPU
2,513
19 days ago