Recent Solutions
Golfers
Solutions
All Holes
12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
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
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
brainfuck
C
C#
C++
COBOL
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
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
brainfuck
C
C#
C++
COBOL
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
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Hole
All
12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
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
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
Odious Numbers
snoozingnewt
80
9 hours ago
Arithmetic Numbers
snoozingnewt
🥈
104
11 hours ago
Arithmetic Numbers
msbranicky
🥉
112
a day ago
Fibonacci
Maximizer02
124
a day ago
Divisors
bitsandbeyond
126
a day ago
Arithmetic Numbers
Shanethegamer
💎
88
2 days ago
Prime Numbers (Long)
snoozingnewt
90
2 days ago
Arithmetic Numbers
KatieLG-Transpiler
37,653
2 days ago
Arithmetic Numbers
KatieLG
45,337
2 days ago
Divisors
Yewzir
101
4 days ago
Quine
snoozingnewt
102
9 days ago
Quine
weliveinhell
88
9 days ago
Fibonacci
snoozingnewt
64
10 days ago
√2
msbranicky
1,010
10 days ago
φ
msbranicky
1,010
10 days ago
τ
msbranicky
1,010
10 days ago
π
msbranicky
1,010
10 days ago
λ
msbranicky
1,010
10 days ago
Prime Numbers (Long)
msbranicky
105
10 days ago
Prime Numbers
msbranicky
103
10 days ago
Pernicious Numbers (Long)
msbranicky
123
10 days ago
Pernicious Numbers
msbranicky
98
10 days ago
Odious Numbers (Long)
msbranicky
98
10 days ago
Odious Numbers
msbranicky
97
10 days ago
Niven Numbers (Long)
msbranicky
124
10 days ago
Niven Numbers
msbranicky
122
10 days ago
Leap Years
msbranicky
61
10 days ago
Foo Fizz Buzz Bar
msbranicky
191
10 days ago
Fizz Buzz
msbranicky
126
10 days ago
Fibonacci
msbranicky
83
10 days ago
Evil Numbers (Long)
msbranicky
99
10 days ago
Evil Numbers
msbranicky
97
10 days ago
Emirp Numbers (Long)
msbranicky
250
10 days ago
Emirp Numbers
msbranicky
249
10 days ago
Divisors
msbranicky
75
10 days ago
Collatz
msbranicky
120
10 days ago
ASCII Table
msbranicky
282
10 days ago
Abundant Numbers (Long)
msbranicky
105
10 days ago
Abundant Numbers
msbranicky
104
10 days ago
Rijndael S-box
msbranicky
🥈
775
10 days ago
γ
msbranicky
1,010
10 days ago
Number Spiral
msbranicky
307
10 days ago
Tongue-twisters
msbranicky
530
10 days ago
Kolakoski Constant
msbranicky
1,010
10 days ago
Catalan’s Constant
msbranicky
1,010
10 days ago
Niven Numbers
Yewzir
54
11 days ago
Musical Chords
msbranicky
955
11 days ago
Pascal’s Triangle
snoozingnewt
891
12 days ago
99 Bottles of Beer
snoozingnewt
383
12 days ago
Rijndael S-box
SirBogman
💎
204
13 days ago