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
Billiards
brainfuck
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
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
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
Calendar
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
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
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
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
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
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
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
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
Calendar
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
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Smooth Numbers
Shanethegamer
73
174ms
a min ago
Scrambled Sort
prestosilver
66
32ms
2 hours ago
Fibonacci
Andrey2001
48
31ms
8 hours ago
Scrambled Sort
sisyphus-ppcg
54
31ms
8 hours ago
Minesweeper
sisyphus-ppcg
85
439ms
16 hours ago
Smooth Numbers
GolfingSuccess
54
359ms
24 hours ago
Smooth Numbers
Natanaelel
69
43ms
25 hours ago
Smooth Numbers
ovs-code
55
236ms
38 hours ago
Partition Numbers
HumanoidCPU
348
32ms
38 hours ago
Floyd-Steinberg Dithering
MeWhenI
186
43ms
39 hours ago
Snake
MeWhenI
130
36ms
40 hours ago
Smooth Numbers
MeWhenI
91
87ms
41 hours ago
Arithmetic Numbers
aksyristos
75
1,627ms
2 days ago
Fizz Buzz
JOrE20
51
30ms
2 days ago
Roman to Arabic
blaztoma
70
38ms
2 days ago
Rule 110
od-8
275
34ms
2 days ago
Leap Years
HumanoidCPU
41
43ms
2 days ago
Divisors
snoozingnewt
44
32ms
3 days ago
Evil Numbers
beirigo
35
31ms
3 days ago
Fizz Buzz
albanian-laundromat
68
31ms
3 days ago
Fibonacci
Babafaba
29
32ms
3 days ago
Divisors
HumanoidCPU
52
32ms
3 days ago
Tower of Hanoi
MeWhenI
55
32ms
3 days ago
Divisors
beirigo
53
33ms
3 days ago
Odious Numbers
beirigo
35
32ms
3 days ago
Odious Numbers (Long)
HumanoidCPU
71
31ms
4 days ago
Evil Numbers (Long)
HumanoidCPU
72
34ms
4 days ago
Divisors
albanian-laundromat
60
33ms
4 days ago
Minesweeper
Andriamanitra
123
44ms
4 days ago
Continued Fractions
ovs-code
71
32ms
5 days ago
Topological Sort
m-tkach
77
2,972ms
5 days ago
Evil Numbers
Thinkr1
49
33ms
5 days ago
Fibonacci
Thinkr1
31
31ms
5 days ago
Continued Fractions
Natanaelel
78
32ms
5 days ago
Continued Fractions
MeWhenI
80
31ms
5 days ago
Sierpiński Triangle
emgordon154
66
32ms
5 days ago
Topological Sort
emgordon154
152
40ms
5 days ago
ln 2
Thinkr1
62
83ms
6 days ago
Ordinal Numbers
Thinkr1
72
34ms
6 days ago
ROT13
prestosilver
41
33ms
6 days ago
Tongue-twisters
prestosilver
245
31ms
6 days ago
Pangram Grep
Thinkr1
49
34ms
6 days ago
Quine
Thinkr1
28
31ms
6 days ago
Fibonacci
solisolu
28
34ms
6 days ago
Inventory Sequence
emgordon154
45
38ms
7 days ago
Hilbert Curve
MeWhenI
187
35ms
7 days ago
Trinomial Triangle
MeWhenI
57
31ms
7 days ago
Hilbert Curve
Natanaelel
267
50ms
8 days ago
Highly Composite Numbers
Matter1024
122
31ms
8 days ago
Minesweeper
MeWhenI
113
46ms
8 days ago
Quine
Matter1024
28
31ms
9 days ago
Diamonds
Zach1031
298
33ms
9 days ago
Fibonacci
Zach1031
56
33ms
9 days ago
Prime Numbers
Matter1024
33
36ms
9 days ago
Scrambled Sort
Matter1024
63
33ms
9 days ago
Quine
Yewzir
🥇
5
30ms
9 days ago
λ
JOrE20
1,008
33ms
10 days ago
Topological Sort
GrayJoKing
73
98ms
10 days ago
Abundant Numbers (Long)
Matter1024
47
53ms
10 days ago
Abundant Numbers
Matter1024
46
32ms
10 days ago
Niven Numbers (Long)
Matter1024
🥇
38
37ms
10 days ago
Niven Numbers
Matter1024
38
30ms
10 days ago
Evil Numbers
blaztoma
33
32ms
11 days ago
United States
blaztoma
83
32ms
11 days ago
Musical Chords
bitsandbeyond
137
33ms
12 days ago
Minesweeper
pardouin
🥈
68
727ms
12 days ago
Fizz Buzz
duckyluuk
🥉
50
30ms
13 days ago
Quine
Natanaelel
🥇
5
31ms
13 days ago
Quine
iczelia
🥇
5
33ms
14 days ago
Divisors
jacekwladzinski
44
35ms
14 days ago
Tutorial
Boowie41
28
35ms
14 days ago
Partition Numbers
olleicua
134
32ms
15 days ago
Mandelbrot
olleicua
97
987ms
15 days ago
Quine
JOrE20
25
32ms
15 days ago
φ
LostSyntax21
52
38ms
15 days ago