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)
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)
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
Chars
Submitted
Kolakoski Constant
duckyluuk
93
8 mins ago
Arithmetic Numbers
Grrisly
78
33 mins ago
Odious Numbers (Long)
retrohun
48
51 mins ago
Odious Numbers
retrohun
47
51 mins ago
Evil Numbers
retrohun
45
53 mins ago
Evil Numbers (Long)
retrohun
46
55 mins ago
Poker
neel11235813
152
an hour ago
Poker
duckyluuk
297
an hour ago
Poker
pardouin
276
an hour ago
99 Bottles of Beer
DaPotato69
374
3 hours ago
Odious Numbers (Long)
DaPotato69
67
3 hours ago
Odious Numbers
DaPotato69
65
3 hours ago
Evil Numbers (Long)
DaPotato69
67
3 hours ago
Evil Numbers
DaPotato69
65
3 hours ago
Quine
DaPotato69
32
3 hours ago
Prime Numbers
DaPotato69
72
3 hours ago
Cubes
DaPotato69
310
3 hours ago
Fizz Buzz
DaPotato69
82
4 hours ago
Forsyth–Edwards Notation
mrmena
201
7 hours ago
99 Bottles of Beer
Molliojing
410
13 hours ago
Poker
ovs-code
272
13 hours ago
Fractions
Bit125
131
13 hours ago
brainfuck
mrmena
413
13 hours ago
Catalan Numbers
dokutan
1,008
14 hours ago
Leap Years
tik25
83
14 hours ago
Collatz
tik25
86
15 hours ago
Vampire Numbers
neel11235813
83
16 hours ago
Vampire Numbers
duckyluuk
116
17 hours ago
Fibonacci
tik25
49
18 hours ago
Levenshtein Distance
duckyluuk
94
18 hours ago
Hexdump
duckyluuk
184
18 hours ago
Sudoku
5cw
347
18 hours ago
Catalan’s Constant
ndren
78
19 hours ago
Poker
ndren
184
20 hours ago
Recamán
RaBa21
237
20 hours ago
Ascending Primes
thienudomsrirungruang
145
21 hours ago
Divisors
RaBa21
73
21 hours ago
Ascending Primes
RaBa21
354
21 hours ago
𝑒
tik25
210
21 hours ago
Rule 110
davecame
69
22 hours ago
Fizz Buzz
tik25
65
22 hours ago
United States
anter69
102
a day ago
Emirp Numbers
Bit125
148
a day ago
Pernicious Numbers (Long)
Bit125
103
a day ago
Pernicious Numbers
Bit125
92
a day ago
Recamán
duckyluuk
63
a day ago
Niven Numbers
duckyluuk
45
a day ago
Number Spiral
mrmena
317
a day ago
Foo Fizz Buzz Bar
Bit125
167
a day ago
Fizz Buzz
Bit125
121
a day ago
Odious Numbers (Long)
Bit125
83
a day ago
Odious Numbers
Bit125
81
a day ago
Diamonds
duckyluuk
79
a day ago
Fizz Buzz
duckyluuk
58
a day ago
Day of Week
neel11235813
71
a day ago
Tongue-twisters
lamorach
401
a day ago
12 Days of Christmas
Bit125
728
a day ago
Number Spiral
Bit125
312
a day ago
United States
Bit125
898
a day ago
99 Bottles of Beer
BREMAUCY
294
a day ago