Recent Solutions
Achievements
Cheevos
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
Billiards
brainfuck
Calendar
Card Number Validation
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
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
05AB1E
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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
Billiards
brainfuck
Calendar
Card Number Validation
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
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Multitap Input
emgordon154
119
369ms
2 hours ago
Multitap Input
KatieLG
136
447ms
5 hours ago
π
JOrE20
1,011
355ms
8 hours ago
τ
JOrE20
1,011
410ms
8 hours ago
Card Number Validation
Andrey2001
129
451ms
8 hours ago
Leyland Numbers
Andrey2001
86
436ms
8 hours ago
Farey Sequence
Andrey2001
132
464ms
8 hours ago
Divisors
Andrey2001
63
396ms
8 hours ago
Arabic to Roman
dokutan
158
478ms
8 hours ago
Binary Lambda Calculus
GolfingSuccess
411
718ms
25 hours ago
Continued Fractions
AlephSquirrel
110
415ms
27 hours ago
Multitap Input
pardouin
💎
99
417ms
2 days ago
Jacobi Symbol
ovs-code
🥈
108
382ms
3 days ago
Multitap Input
ovs-code
🥉
103
346ms
3 days ago
Prime Numbers
Andrey2001
43
394ms
3 days ago
Prime Numbers (Long)
Andrey2001
44
548ms
3 days ago
Number Spiral
Andrey2001
247
564ms
3 days ago
Multitap Input
CornerMercury
107
408ms
4 days ago
Inventory Sequence
Andrey2001
99
591ms
4 days ago
Partition Numbers
Andrey2001
86
447ms
4 days ago
Vampire Numbers
Andrey2001
215
792ms
4 days ago
Levenshtein Distance
Andrey2001
231
777ms
4 days ago
Lucky Numbers
Andrey2001
141
523ms
4 days ago
Evil Numbers (Long)
Andrey2001
47
351ms
4 days ago
Van Eck Sequence
Andrey2001
93
398ms
4 days ago
Trinomial Triangle
Andrey2001
79
406ms
4 days ago
Smith Numbers
Andrey2001
217
1,768ms
4 days ago
Recamán
Andrey2001
74
431ms
4 days ago
Pernicious Numbers (Long)
Andrey2001
75
502ms
4 days ago
Pernicious Numbers
Andrey2001
58
386ms
4 days ago
Pascal’s Triangle
Andrey2001
63
408ms
4 days ago
Odious Numbers (Long)
Andrey2001
47
412ms
4 days ago
Odious Numbers
Andrey2001
46
381ms
4 days ago
Niven Numbers (Long)
Andrey2001
63
405ms
4 days ago
Niven Numbers
Andrey2001
61
450ms
4 days ago
Look and Say
Andrey2001
114
506ms
4 days ago
Kolakoski Sequence
Andrey2001
82
396ms
4 days ago
Kaprekar Numbers
Andrey2001
241
3,635ms
4 days ago
Happy Numbers (Long)
Andrey2001
86
418ms
4 days ago
Happy Numbers
Andrey2001
85
491ms
4 days ago
Gijswijt’s Sequence
Andrey2001
118
469ms
4 days ago
Catalan’s Constant
Andrey2001
1,011
344ms
4 days ago
Jacobi Symbol
Andrey2001
169
493ms
4 days ago
Kolakoski Constant
Andrey2001
1,011
376ms
4 days ago
ln 2
Andrey2001
76
455ms
4 days ago
Rijndael S-box
Andrey2001
780
375ms
4 days ago
Zeckendorf Representation
Andrey2001
152
469ms
4 days ago
γ
Andrey2001
1,011
348ms
4 days ago
λ
Andrey2001
1,011
358ms
4 days ago
φ
Andrey2001
74
369ms
4 days ago
√2
Andrey2001
68
412ms
4 days ago
Tongue-twisters
Andrey2001
392
502ms
4 days ago
Sierpiński Triangle
Andrey2001
220
532ms
4 days ago
Mandelbrot
Andrey2001
382
725ms
4 days ago
Hilbert Curve
Andrey2001
744
1,011ms
4 days ago
Arithmetic Numbers
Andrey2001
85
1,952ms
4 days ago
Rock-paper-scissors-Spock-lizard
Andrey2001
764
1,227ms
4 days ago
N Queens
Andrey2001
185
512ms
4 days ago
Tower of Hanoi
Andrey2001
204
472ms
4 days ago
Collatz
Andrey2001
86
446ms
4 days ago
Catalan Numbers
Andrey2001
85
411ms
4 days ago
United States
Andrey2001
415
720ms
4 days ago
Spelling Numbers
Andrey2001
519
552ms
4 days ago
Seven Segment
Andrey2001
267
554ms
4 days ago
ROT13
Andrey2001
144
456ms
4 days ago
Pangram Grep
Andrey2001
84
440ms
4 days ago
Morse Decoder
Andrey2001
501
1,207ms
4 days ago
Emojify
Andrey2001
368
632ms
4 days ago
Calendar
Andrey2001
186
498ms
4 days ago
Multitap Input
CaedenHarper
171
417ms
4 days ago
Seven Segment
JOrE20
194
453ms
4 days ago
Taxicab Numbers
kg583
80
768ms
4 days ago
Kolakoski Constant
JOrE20
1,011
365ms
4 days ago
Multitap Input
dokutan
155
509ms
6 days ago
Collatz
CaedenHarper
56
381ms
6 days ago
π
Andrey2001
148
1,393ms
7 days ago
𝑒
Andrey2001
67
372ms
7 days ago
DFA Simulator
JayXon
🥈
137
459ms
7 days ago
Multitap Input
sean-niemann
107
441ms
8 days ago
PalindromemordnilaP
CornerMercury
78
401ms
8 days ago