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
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
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
PalindromemordnilaP
Pangram Grep
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
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
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
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Rockstar 2
Ruby
Rust
Scheme
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++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Rockstar 2
Ruby
Rust
Scheme
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
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
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
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
PalindromemordnilaP
Pangram Grep
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
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
ROT13
msbranicky
138
26 hours ago
ROT13
rucin93
🥇
103
39 hours ago
ROT13
sean-niemann
🥇
103
43 hours ago
Fibonacci
whenaver
42
2 days ago
ROT13
GolfingSuccess
🥉
118
3 days ago
𝑒
Fishyfii
1,011
4 days ago
Fizz Buzz
AidanWalter
283
4 days ago
τ
sean-niemann
💎
115
7 days ago
π
sean-niemann
💎
115
7 days ago
φ
sean-niemann
💎
112
7 days ago
√2
sean-niemann
💎
115
7 days ago
√2
deancureton
1,009
7 days ago
Arrows
sean-niemann
🥇
112
7 days ago
ASCII Table
sean-niemann
🥈
107
7 days ago
Pangram Grep
sean-niemann
🥇
99
7 days ago
Foo Fizz Buzz Bar
sean-niemann
🥇
85
9 days ago
Inventory Sequence
sean-niemann
🥇
61
10 days ago
Kolakoski Constant
sean-niemann
💎
146
10 days ago
Pascal’s Triangle
DialFrost
🥇
65
14 days ago
Happy Numbers
sean-niemann
🥈
78
14 days ago
Happy Numbers (Long)
sean-niemann
🥈
82
14 days ago
ln 2
sean-niemann
💎
115
15 days ago
Catalan’s Constant
sean-niemann
💎
148
15 days ago
ISBN
sean-niemann
🥈
99
15 days ago
Smith Numbers
sean-niemann
💎
110
16 days ago
Fractions
GolfingSuccess
🥉
100
17 days ago
√2
madeforlosers
1,009
19 days ago
Pangram Grep
GolfingSuccess
🥉
101
22 days ago
Morse Decoder
dokutan
648
26 days ago
Morse Encoder
dokutan
789
26 days ago
Rock-paper-scissors-Spock-lizard
dokutan
708
26 days ago
𝑒
5quiwyrm
1,011
26 days ago
π
madeforlosers
1,009
27 days ago
Ordinal Numbers
DialFrost
81
2 Dec 2024
Billiards
KatieLG
🥈
14,175
1 Dec 2024
Kaprekar Numbers
sean-niemann
🥈
70
30 Nov 2024
Billiards
sean-niemann
💎
157
30 Nov 2024
Pernicious Numbers
FlyingPenguin223
36
28 Nov 2024
Kaprekar Numbers
rucin93
💎
69
23 Nov 2024
Quine
lifthrasiir
87
22 Nov 2024
Kaprekar Numbers
JayXon
🥉
72
21 Nov 2024
Collatz
madeforlosers
70
21 Nov 2024
QR Decoder
sean-niemann
💎
134
19 Nov 2024
𝑒
Jacob385
1,011
13 Nov 2024
Kaprekar Numbers
DialFrost
78
13 Nov 2024
Fibonacci
madeforlosers
46
8 Nov 2024
Kaprekar Numbers
ovs-code
77
4 Nov 2024
Card Number Validation
sean-niemann
🥇
79
3 Nov 2024
brainfuck
sean-niemann
🥈
176
3 Nov 2024
brainfuck
rucin93
💎
174
3 Nov 2024
Fractions
rucin93
🥈
89
3 Nov 2024
Fractions
sean-niemann
💎
88
3 Nov 2024
Kaprekar Numbers
MeWhenI
515
2 Nov 2024
Kaprekar Numbers
msbranicky
194
1 Nov 2024
Kaprekar Numbers
KatieLG
515
1 Nov 2024
Kaprekar Numbers
dokutan
513
1 Nov 2024
Kaprekar Numbers
Shanethegamer
513
1 Nov 2024
Kaprekar Numbers
HumanoidCPU
513
1 Nov 2024
12 Days of Christmas
sean-niemann
💎
467
30 Oct 2024
Arithmetic Numbers
FlyingPenguin223
77
29 Oct 2024
Niven Numbers
FlyingPenguin223
🥇
39
29 Oct 2024
Farey Sequence
dokutan
104
28 Oct 2024
π
m4xxh
1,022
26 Oct 2024
Leap Years
KrausRaus
50
26 Oct 2024
Card Number Validation
rucin93
🥇
79
24 Oct 2024
Fizz Buzz
AlephSquirrel
125
23 Oct 2024
Divisors
FlyingPenguin223
63
22 Oct 2024
Niven Numbers (Long)
pardouin
🥇
55
21 Oct 2024
Gijswijt’s Sequence
dokutan
191
19 Oct 2024
𝑒
DialFrost
🥉
93
18 Oct 2024
12 Days of Christmas
dokutan
503
17 Oct 2024
Fizz Buzz
CaedenHarper
62
17 Oct 2024
Tongue-twisters
dokutan
407
15 Oct 2024
Reversi
Shanethegamer
💎
176
14 Oct 2024
Happy Numbers (Long)
dokutan
231
13 Oct 2024