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
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
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
Bytes
Submitted
Pangram Grep
h3ra993huskp
128
4 hours ago
Number Spiral
HumanoidCPU
371
6 hours ago
Sudoku
sean-niemann
🥈
544
21 hours ago
π
sciencejiho
1,069
2 days ago
Divisors
carlosbviteri
158
2 days ago
Divisors
CarlosOltraLozano
127
2 days ago
Recamán
Jacob385
186
2 days ago
Collatz
carlosbviteri
208
2 days ago
Pascal’s Triangle
Jacob385
218
2 days ago
99 Bottles of Beer
carlosbviteri
786
2 days ago
Fizz Buzz
TheRealCodecuts
235
4 days ago
Foo Fizz Buzz Bar
carlosbviteri
299
4 days ago
Fizz Buzz
carlosbviteri
210
4 days ago
Abundant Numbers (Long)
carlosbviteri
168
4 days ago
Abundant Numbers
carlosbviteri
167
4 days ago
Morse Encoder
Jacob385
1,144
4 days ago
Arrows
AndreiDTU
446
5 days ago
π
aalec
1,099
5 days ago
Factorial Factorisation
Schmitt-Very-Cool
926
5 days ago
Fizz Buzz
AndreiDTU
130
5 days ago
12 Days of Christmas
CarlosOltraLozano
523
6 days ago
Factorial Factorisation
MeWhenI
174
6 days ago
Factorial Factorisation
msbranicky
245
6 days ago
24 Game
sean-niemann
💎
482
6 days ago
Ordinal Numbers
h3ra993huskp
161
7 days ago
CSS Colors
Lydxn
💎
656
7 days ago
12 Days of Christmas
jonas-sala
643
7 days ago
Fizz Buzz
RVMIA
180
9 days ago
φ
Maximizer02
1,073
9 days ago
Look and Say
HumanoidCPU
275
9 days ago
Emirp Numbers (Long)
HumanoidCPU
264
9 days ago
Emirp Numbers
HumanoidCPU
264
9 days ago
Pernicious Numbers (Long)
Jacob385
147
9 days ago
Rijndael S-box
Jacob385
845
9 days ago
π
Jacob385
762
9 days ago
Fizz Buzz
jonas-sala
130
10 days ago
Catalan Numbers
Jacob385
4,472
10 days ago
Christmas Trees
dokutan
173
10 days ago
Factorial Factorisation
stefangimmillaro
🥈
168
11 days ago
Factorial Factorisation
JayXon
💎
152
11 days ago
τ
elgan65536
305
11 days ago
√2
HumanoidCPU
1,065
11 days ago
Factorial Factorisation
sean-niemann
🥉
170
11 days ago
φ
HumanoidCPU
1,065
11 days ago
π
elgan65536
305
11 days ago
Factorial Factorisation
Shanethegamer
184
11 days ago
Seven Segment
Jacob385
274
11 days ago
Number Spiral
Jacob385
321
11 days ago
τ
Jacob385
1,065
11 days ago
φ
Jacob385
1,065
11 days ago
𝑒
Jacob385
1,065
11 days ago
√2
Jacob385
1,065
11 days ago
λ
Jacob385
1,065
11 days ago
γ
Jacob385
1,065
11 days ago
Catalan’s Constant
Jacob385
1,065
11 days ago
Kolakoski Constant
Jacob385
1,065
11 days ago
ln 2
Jacob385
1,065
11 days ago
Kolakoski Constant
HumanoidCPU
1,065
12 days ago
Rijndael S-box
HumanoidCPU
845
12 days ago
Divisors
HumanoidCPU
143
12 days ago