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)
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
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
N Queens
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
Reversi
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)
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
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
N Queens
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
Reversi
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
Fibonacci
heanyang1
92
7 hours ago
Fizz Buzz
heanyang1
129
7 hours ago
Arrows
Steffan153
💎
149
a day ago
Seven Segment
Steffan153
💎
148
8 days ago
Jacobi Symbol
GrayJoKing
💎
216
9 days ago
Evil Numbers (Long)
HumanoidCPU
1,963
13 days ago
Odious Numbers (Long)
HumanoidCPU
1,958
13 days ago
Prime Numbers (Long)
HumanoidCPU
5,961
13 days ago
Odious Numbers
HumanoidCPU
86
14 days ago
Kolakoski Sequence
HumanoidCPU
2,013
14 days ago
Leap Years
HumanoidCPU
743
14 days ago
ASCII Table
HumanoidCPU
287
14 days ago
Prime Numbers
HumanoidCPU
84
14 days ago
Fibonacci
HumanoidCPU
147
14 days ago
Abundant Numbers (Long)
HumanoidCPU
977
15 days ago
Abundant Numbers
HumanoidCPU
176
15 days ago
24 Game
Shanethegamer
💎
394
17 days ago
Evil Numbers
HumanoidCPU
83
18 days ago
Look and Say
HumanoidCPU
1,292
18 days ago
Christmas Trees
HumanoidCPU
558
19 days ago
99 Bottles of Beer
HumanoidCPU
11,898
19 days ago
Pascal’s Triangle
HumanoidCPU
782
19 days ago
Ascending Primes
HumanoidCPU
525
19 days ago
Foo Fizz Buzz Bar
HumanoidCPU
5,732
21 days ago
Fibonacci
error256
60
22 days ago
Pernicious Numbers (Long)
HumanoidCPU
20,675
22 days ago
Pernicious Numbers
HumanoidCPU
113
22 days ago
Arithmetic Numbers
HumanoidCPU
37,655
22 days ago
Niven Numbers (Long)
HumanoidCPU
7,451
23 days ago
Catalan’s Constant
HumanoidCPU
1,016
23 days ago
24 Game
HumanoidCPU
🥉
12,445
23 days ago
γ
HumanoidCPU
1,016
23 days ago
Happy Numbers (Long)
HumanoidCPU
565
24 days ago
Lucky Numbers
HumanoidCPU
4,833
24 days ago
Vampire Numbers
HumanoidCPU
1,084
24 days ago
Farey Sequence
HumanoidCPU
4,367
24 days ago
Niven Numbers
HumanoidCPU
104
24 days ago
Van Eck Sequence
HumanoidCPU
2,568
24 days ago
Recamán
HumanoidCPU
910
24 days ago
Sierpiński Triangle
HumanoidCPU
405
24 days ago
Rule 110
HumanoidCPU
10,113
24 days ago
Emirp Numbers (Long)
HumanoidCPU
1,169
26 days ago
Emirp Numbers
HumanoidCPU
149
27 days ago
12 Days of Christmas
HumanoidCPU
2,382
4 May 2024
Smith Numbers
HumanoidCPU
1,837
4 May 2024
Happy Numbers
HumanoidCPU
120
3 May 2024
Collatz
HumanoidCPU
3,239
3 May 2024
Divisors
HumanoidCPU
1,179
3 May 2024
Gijswijt’s Sequence
HumanoidCPU
2,013
3 May 2024
N Queens
MeWhenI
1,260
2 May 2024
N Queens
rucin93
💎
256
2 May 2024
ln 2
HumanoidCPU
1,016
2 May 2024
N Queens
HumanoidCPU
🥈
1,259
2 May 2024
N Queens
KatieLG
🥈
1,259
1 May 2024
N Queens
Shanethegamer
🥈
1,259
1 May 2024
Factorial Factorisation
m-tkach
💎
182
1 May 2024
γ
sciencejiho
1,017
29 Apr 2024
π
sciencejiho
1,017
29 Apr 2024
Leyland Numbers
HumanoidCPU
899
23 Apr 2024
π
aalec
1,018
23 Apr 2024