Recent Solutions
Prev Hole
Play Hole
Next Hole
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
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
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
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
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
Chars
Submitted
Leap Years
Mabeloid
887
22 Sep 2024
Leap Years
AdamMorris377
65
27 Aug 2024
Leap Years
DialFrost
54
4 Aug 2024
Leap Years
jared-hughes
50
7 Jul 2024
Leap Years
HumanoidCPU
887
20 May 2024
Leap Years
XavierRex
70
13 May 2024
Leap Years
inverseLorentz
58
10 May 2024
Leap Years
brimstonetrader
65
10 Apr 2024
Leap Years
Yewzir
62
7 Feb 2024
Leap Years
JoaoFelipe3
74
14 Jan 2024
Leap Years
tobeannouncd
58
11 Jan 2024
Leap Years
roguh
58
29 Dec 2023
Leap Years
epic-programmer-guy
66
25 Dec 2023
Leap Years
the-zammers
62
19 Oct 2023
Leap Years
dteague3989
58
10 Oct 2023
Leap Years
snoozingnewt
75
6 Oct 2023
Leap Years
cbrt-x
72
25 Sep 2023
Leap Years
alomiF
50
1 Sep 2023
Leap Years
voytxt
55
28 Jul 2023
Leap Years
mhgockel
66
23 Jul 2023
Leap Years
sean-niemann
54
4 Jul 2023
Leap Years
KatieLG-Transpiler
887
14 May 2023
Leap Years
ovs-code
🥇
49
11 May 2023
Leap Years
Betuaredead
70
17 Jan 2023
Leap Years
retrohun
887
27 Dec 2022
Leap Years
CatsAreFluffy
67
14 Dec 2022
Leap Years
ze-h
76
6 Dec 2022
Leap Years
exodrifter
60
25 Oct 2022
Leap Years
MeWhenI
72
10 Oct 2022
Leap Years
Steffan153
50
8 Oct 2022
Leap Years
strout
64
15 Aug 2022
Leap Years
christianlegge
73
29 Jul 2022
Leap Years
janbehrens
50
20 Jul 2022
Leap Years
Sakisan
🥇
49
12 Apr 2022
Leap Years
Awsute
70
11 Mar 2022
Leap Years
HallMatthew314
58
14 Feb 2022
Leap Years
yanjs
55
23 Jan 2022
Leap Years
annaproxy
50
7 Jan 2022
Leap Years
arjanadriaanse
52
1 Jan 2022
Leap Years
Bubbler-4
55
16 Nov 2021
Leap Years
Lydxn
🥇
49
13 Nov 2021
Leap Years
mokymok
889
10 Nov 2021
Leap Years
Irratix
50
25 Sep 2021
Leap Years
rak1507
55
24 Sep 2021
Leap Years
Natanaelel
58
11 Sep 2021
Leap Years
laikoni
50
27 Aug 2021
Leap Years
xiBread
51
23 Aug 2021
Leap Years
hymanimy
64
28 Jul 2021
Leap Years
yzhs
58
24 Jul 2021
Leap Years
Shanethegamer
50
30 Jun 2021
Leap Years
jadequin
84
28 Apr 2021
Leap Years
JayXon
🥇
49
17 Apr 2021
Leap Years
xnor-gate
🥇
49
17 Apr 2021
Leap Years
HPWiz
🥇
49
17 Apr 2021
Leap Years
lynn
🥇
49
12 Apr 2021
Leap Years
kops-cg
56
6 Apr 2021
Leap Years
sisyphus-ppcg
50
20 Mar 2021
Leap Years
cipharius
58
18 Jan 2021
Leap Years
boxjelly
58
1 Jan 2021
Leap Years
jurepustos
77
11 Dec 2020
Leap Years
abailey2020
59
10 Dec 2020
Leap Years
GrayJoKing
50
6 Dec 2020
Leap Years
ReidZ3
59
28 Nov 2020
Leap Years
KatieLG
887
23 Nov 2020
Leap Years
chezbgone
92
11 Nov 2020
Leap Years
RustemB
72
25 Aug 2020
Leap Years
aionescu
50
15 Aug 2020
Leap Years
drbalan
70
20 Jul 2020
Leap Years
SirBogman
50
14 Jun 2020
Leap Years
guliyevemil1
65
17 Apr 2020
Leap Years
Attero
50
31 Mar 2020
Leap Years
andersk
54
20 Mar 2020
Leap Years
marcin7Cd
54
10 Mar 2020
Leap Years
darrell-roberts
76
27 Feb 2020
Leap Years
Haksell
887
1 Dec 2019