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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
ALGOL 68
ArkScript
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
𝑒
denkyuu1
62
766ms
4 mins ago
Reverse Polish Notation
edsrzf
155
172ms
10 mins ago
√2
denkyuu1
58
41ms
14 mins ago
Arithmetic Numbers
Matter1024
96
4,213ms
28 mins ago
Christmas Trees
sisyphus-ppcg
123
2ms
33 mins ago
λ
JayXon
💎
161
4,635ms
37 mins ago
λ
JayXon
🥈
165
4,112ms
58 mins ago
λ
JayXon
💎
171
2,674ms
61 mins ago
λ
JayXon
🥇
174
1,541ms
64 mins ago
Emirp Numbers (Long)
Matter1024
908
639ms
67 mins ago
Alphabetic Numbers
stefangimmillaro
151
36ms
69 mins ago
Pernicious Numbers
Matter1024
72
2ms
79 mins ago
Prime Numbers
Matter1024
62
2ms
82 mins ago
Reverse Polish Notation
edsrzf
170
2,814ms
83 mins ago
Reverse Polish Notation
DialFrost
🥈
147
100ms
87 mins ago
Pernicious Numbers (Long)
Matter1024
92
12ms
90 mins ago
Diamonds
Matter1024
172
2ms
94 mins ago
Reverse Polish Notation
edsrzf
💎
146
99ms
94 mins ago
Niven Numbers
Matter1024
46
62ms
97 mins ago
Star Wars GPT
Jonson26
437
467ms
99 mins ago
Catalan’s Constant
cuvam
276
28ms
103 mins ago
Niven Numbers
Matter1024
47
10ms
103 mins ago
Niven Numbers
Matter1024
47
2ms
104 mins ago
Hilbert Curve
vang1ong7ang
🥉
354
173ms
116 mins ago
λ
vang1ong7ang
🥉
474
238ms
117 mins ago
Rock-paper-scissors-Spock-lizard
JayXon
💎
202
91ms
2 hours ago
Reverse Polish Notation
kg583
💎
94
5ms
2 hours ago
Day of Week
michelebastione
136
10ms
2 hours ago
Cubes
albanian-laundromat
💎
250
4ms
2 hours ago
PalindromemordnilaP
MostParsingVex
💎
148
45ms
3 hours ago
Intersection
lelbal
177
23ms
3 hours ago
Lucky Numbers
blaztoma
56
78ms
3 hours ago
Repeating Decimals
kg583
🦄
352
83ms
3 hours ago
Smith Numbers
NameRandomString
1,830
3ms
3 hours ago
Multitap Input
NameRandomString
🥉
204
7ms
3 hours ago
Game of Life
Steffan153
🥈
154
17ms
3 hours ago
Repeating Decimals
kg583
💎
226
7ms
3 hours ago
Intersection
kg583
🥇
105
5ms
3 hours ago
Sierpiński Triangle
Steffan153
💎
76
4ms
4 hours ago
ROT13
Steffan153
🥈
75
129ms
4 hours ago
λ
Steffan153
🥈
174
2,761ms
4 hours ago
τ
Steffan153
🥈
82
51ms
4 hours ago
λ
Steffan153
💎
197
3,035ms
4 hours ago
λ
Steffan153
💎
247
2,484ms
4 hours ago
Seven Segment
JayXon
💎
105
143ms
4 hours ago
π
Steffan153
🥈
82
49ms
4 hours ago
ASCII Table
michelebastione
175
454ms
4 hours ago
Pernicious Numbers
vang1ong7ang
🥇
15
38ms
4 hours ago
φ
Steffan153
🥉
54
6ms
4 hours ago
Pangram Grep
vang1ong7ang
🥇
20
45ms
4 hours ago
√2
Steffan153
🥇
49
7ms
5 hours ago
√2
kg583
🥈
165
348ms
5 hours ago
π
Steffan153
🥈
109
116ms
5 hours ago
γ
vang1ong7ang
💎
368
2,814ms
5 hours ago
τ
Steffan153
🥉
71
84ms
5 hours ago
π
Steffan153
🥈
70
86ms
5 hours ago
φ
kg583
🥈
164
174ms
5 hours ago
Intersection
emgordon154
🥉
357
1,623ms
6 hours ago
λ
edsrzf
🥉
271
126ms
6 hours ago
Inventory Sequence
snoozingnewt
🥇
21
3ms
6 hours ago
Musical Chords
vang1ong7ang
267
187ms
6 hours ago
Quine
vang1ong7ang
🥇
8
2ms
6 hours ago
Pernicious Numbers (Long)
vang1ong7ang
🥇
24
3ms
6 hours ago
Odious Numbers (Long)
vang1ong7ang
🥇
14
3ms
6 hours ago
Odious Numbers
vang1ong7ang
🥇
13
3ms
6 hours ago
Kolakoski Sequence
vang1ong7ang
🥇
15
3ms
6 hours ago
Levenshtein Distance
sisyphus-ppcg
🥇
90
33ms
6 hours ago
Inventory Sequence
vang1ong7ang
🥇
21
3ms
6 hours ago
Happy Numbers
vang1ong7ang
🥇
25
3ms
6 hours ago
Gray Code Decoder
vang1ong7ang
🥇
13
4ms
6 hours ago
Evil Numbers (Long)
vang1ong7ang
🥇
14
3ms
6 hours ago
Evil Numbers
vang1ong7ang
🥇
12
3ms
6 hours ago
Fizz Buzz
teebee
82
7ms
6 hours ago
Mandelbrot
cuvam
135
263ms
6 hours ago
π
Steffan153
🥉
95
465ms
6 hours ago
τ
Steffan153
63
15ms
6 hours ago
τ
Steffan153
🥇
94
489ms
6 hours ago
Arabic to Roman
cuvam
177
20ms
6 hours ago
Day of Week
cuvam
105
14ms
7 hours ago
π
Steffan153
63
16ms
7 hours ago