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
99 Bottles of Beer
byronknoll
165
31 mins ago
Arrows
Steffan153
95
6 hours ago
N Queens
KrausRaus
223
7 hours ago
Emirp Numbers (Long)
helbling
105
8 hours ago
Emirp Numbers
helbling
104
8 hours ago
Star Wars Opening Crawl
helbling
181
9 hours ago
Proximity Grid
stefangimmillaro
134
10 hours ago
Leyland Numbers
Natanaelel
122
10 hours ago
N Queens
GeorgeStechman
735
12 hours ago
Fibonacci
AntoineBlondon
50
12 hours ago
Catalan Numbers
voytxt
43
14 hours ago
United States
Moreallure
661
15 hours ago
Collatz
Moreallure
70
16 hours ago
Emojify
Moreallure
228
16 hours ago
Evil Numbers
junkondo-jp
52
16 hours ago
Day of Week
junkondo-jp
🥇
71
16 hours ago
Time Distance
junkondo-jp
271
17 hours ago
Intersection
junkondo-jp
142
20 hours ago
Catalan’s Constant
HumanoidCPU
545
21 hours ago
Leyland Numbers
HumanoidCPU
351
21 hours ago
Smith Numbers
HumanoidCPU
724
21 hours ago
Inventory Sequence
HumanoidCPU
624
21 hours ago
24 Game
HumanoidCPU
1,919
21 hours ago
Cubes
HumanoidCPU
516
21 hours ago
ASCII Table
HumanoidCPU
193
21 hours ago
Pangram Grep
HumanoidCPU
102
22 hours ago
99 Bottles of Beer
HumanoidCPU
173
22 hours ago
Arithmetic Numbers
HumanoidCPU
70
22 hours ago
CSS Colors
lukegustafson
544
22 hours ago
12 Days of Christmas
HumanoidCPU
241
23 hours ago
12 Days of Christmas
Moreallure
476
a day ago
Diamonds
Moreallure
223
a day ago
Mahjong
zakariamouhid
1,054
a day ago
Niven Numbers (Long)
Yewzir
59
a day ago
N Queens
zakariamouhid
1,252
a day ago
Factorial Factorisation
1231234md5
121
a day ago
Star Wars Opening Crawl
lukegustafson
5,371
a day ago
N Queens
sean-niemann
120
2 days ago
Prime Numbers (Long)
Moreallure
82
2 days ago
Prime Numbers
Moreallure
80
2 days ago
Leap Years
dbkirk4211
87
2 days ago
Rock-paper-scissors-Spock-lizard
dbkirk4211
269
2 days ago
Day of Week
Moreallure
77
2 days ago
Factorial Factorisation
GeorgeStechman
130
2 days ago
Factorial Factorisation
two-bad
130
2 days ago
Star Wars Opening Crawl
GeorgeStechman
3,482
2 days ago
Evil Numbers
dbkirk4211
80
2 days ago
Divisors
dbkirk4211
81
2 days ago
Fibonacci
dbkirk4211
89
2 days ago
Collatz
dbkirk4211
71
2 days ago
Christmas Trees
dbkirk4211
192
2 days ago
Ascending Primes
dbkirk4211
171
2 days ago
Arrows
dbkirk4211
124
2 days ago
Arithmetic Numbers
dbkirk4211
85
2 days ago
Day of Week
unfinishedprogram
🥇
71
2 days ago
Arabic to Roman
dbkirk4211
191
2 days ago
N Queens
unfinishedprogram
320
2 days ago
Abundant Numbers (Long)
dbkirk4211
71
2 days ago
Abundant Numbers
dbkirk4211
70
2 days ago
12 Days of Christmas
dbkirk4211
546
2 days ago