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
Catalan’s Constant
HumanoidCPU
1,020
a day ago
γ
HumanoidCPU
1,020
a day ago
Fibonacci
AntoineBlondon
75
3 days ago
Emirp Numbers
HumanoidCPU
188
4 days ago
Emojify
dokutan
532
6 days ago
Diamonds
dokutan
1,124
7 days ago
N Queens
MeWhenI
1,415
7 days ago
Abundant Numbers
dokutan
80
7 days ago
Abundant Numbers (Long)
dokutan
80
7 days ago
Arithmetic Numbers
dokutan
95
7 days ago
ASCII Table
dokutan
295
7 days ago
Catalan’s Constant
dokutan
700
7 days ago
Divisors
dokutan
96
7 days ago
Fizz Buzz
dokutan
79
7 days ago
Kolakoski Constant
dokutan
700
7 days ago
Leap Years
dokutan
57
7 days ago
ln 2
dokutan
700
7 days ago
N Queens
dokutan
🥈
1,267
7 days ago
Number Spiral
dokutan
321
7 days ago
Ordinal Numbers
dokutan
157
7 days ago
Pangram Grep
dokutan
236
7 days ago
Pascal’s Triangle
dokutan
790
7 days ago
λ
dokutan
700
7 days ago
π
dokutan
700
7 days ago
τ
dokutan
700
7 days ago
φ
dokutan
700
7 days ago
√2
dokutan
700
7 days ago
𝑒
dokutan
700
7 days ago
Niven Numbers (Long)
dokutan
93
7 days ago
Niven Numbers
dokutan
63
7 days ago
Evil Numbers
dokutan
56
7 days ago
Odious Numbers
dokutan
55
7 days ago
Pernicious Numbers (Long)
dokutan
88
7 days ago
Pernicious Numbers
dokutan
🥇
47
7 days ago
Odious Numbers (Long)
dokutan
79
7 days ago
Evil Numbers (Long)
dokutan
81
7 days ago
Fibonacci
dokutan
52
7 days ago
Prime Numbers
dokutan
75
7 days ago
Prime Numbers (Long)
dokutan
76
7 days ago
γ
dokutan
700
7 days ago
Factorial Factorisation
dokutan
879
7 days ago
N Queens
rucin93
💎
175
8 days ago
ln 2
HumanoidCPU
1,020
8 days ago
Arithmetic Numbers
j7126
116
8 days ago
Abundant Numbers (Long)
j7126
101
8 days ago
Abundant Numbers
j7126
100
8 days ago
N Queens
KatieLG
🥈
1,267
8 days ago
N Queens
Shanethegamer
🥈
1,267
8 days ago
Abundant Numbers
sean-niemann
68
9 days ago
Farey Sequence
stefangimmillaro
82
10 days ago
Fibonacci
Mandrzejy
47
11 days ago
γ
sciencejiho
1,039
11 days ago
π
sciencejiho
1,039
11 days ago
Number Spiral
HumanoidCPU
326
12 days ago
Pangram Grep
olleicua
144
16 days ago
π
aalec
1,041
17 days ago
Factorial Factorisation
JayXon
💎
117
21 days ago
Factorial Factorisation
msbranicky
220
22 days ago
√2
HumanoidCPU
1,020
23 days ago
φ
HumanoidCPU
1,020
23 days ago