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
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
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
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
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
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
Bytes
Submitted
Niven Numbers (Long)
JPRuskin
42
a day ago
Niven Numbers (Long)
corbob
73
a day ago
Niven Numbers (Long)
Stockoh
21,864
a day ago
Niven Numbers (Long)
HumanoidCPU
69
a day ago
Niven Numbers (Long)
HumanoidCPU
73
a day ago
Niven Numbers (Long)
VictorStenvers
66
2 days ago
Niven Numbers (Long)
aalec
60
2 days ago
Niven Numbers (Long)
itljan30
134
3 days ago
Niven Numbers (Long)
Maximizer02
82
5 days ago
Niven Numbers (Long)
MeWhenI
🥉
11,764
8 days ago
Niven Numbers (Long)
XioR112
76
10 days ago
Niven Numbers (Long)
Jacob385
39,779
11 days ago
Niven Numbers (Long)
itljan30
109
11 days ago
Niven Numbers (Long)
JayXon
🥇
38
11 days ago
Niven Numbers (Long)
Flying-Toast
77
12 days ago
Niven Numbers (Long)
epic-programmer-guy
82
12 days ago
Niven Numbers (Long)
HumanoidCPU
316
13 days ago
Niven Numbers (Long)
Mandrzejy
95
14 days ago
Niven Numbers (Long)
Mandrzejy
75
14 days ago
Niven Numbers (Long)
Yewzir
113
16 days ago
Niven Numbers (Long)
elgan65536
83
16 days ago
Niven Numbers (Long)
Yewzir
🥉
129
17 days ago
Niven Numbers (Long)
Yewzir
🥉
71
17 days ago
Niven Numbers (Long)
Yewzir
🥈
74
17 days ago
Niven Numbers (Long)
Yewzir
🥉
63
17 days ago
Niven Numbers (Long)
Yewzir
65
17 days ago
Niven Numbers (Long)
Yewzir
🥉
62
17 days ago
Niven Numbers (Long)
Yewzir
101
17 days ago
Niven Numbers (Long)
Yewzir
78
17 days ago
Niven Numbers (Long)
Yewzir
54
17 days ago
Niven Numbers (Long)
Yewzir
63
17 days ago
Niven Numbers (Long)
Yewzir
🥇
68
17 days ago
Niven Numbers (Long)
Yewzir
45
17 days ago
Niven Numbers (Long)
Yewzir
68
17 days ago
Niven Numbers (Long)
Yewzir
102
17 days ago
Niven Numbers (Long)
Yewzir
🥈
80
17 days ago
Niven Numbers (Long)
Yewzir
🥉
63
17 days ago
Niven Numbers (Long)
Yewzir
62
17 days ago
Niven Numbers (Long)
Yewzir
63
17 days ago
Niven Numbers (Long)
Yewzir
77
17 days ago
Niven Numbers (Long)
Yewzir
🥇
102
17 days ago
Niven Numbers (Long)
Yewzir
70
17 days ago
Niven Numbers (Long)
Yewzir
🥉
65
17 days ago
Niven Numbers (Long)
Yewzir
74
17 days ago
Niven Numbers (Long)
Yewzir
🥉
69
17 days ago
Niven Numbers (Long)
Yewzir
82
17 days ago
Niven Numbers (Long)
Yewzir
49
17 days ago
Niven Numbers (Long)
Yewzir
88
17 days ago
Niven Numbers (Long)
Yewzir
75
17 days ago
Niven Numbers (Long)
Yewzir
69
17 days ago
Niven Numbers (Long)
Yewzir
🥉
56
17 days ago
Niven Numbers (Long)
Yewzir
🥇
68
17 days ago
Niven Numbers (Long)
Yewzir
61
17 days ago
Niven Numbers (Long)
Yewzir
118
17 days ago
Niven Numbers (Long)
MeWhenI
88
18 days ago
Niven Numbers (Long)
NickTheEASDude
56
18 days ago
Niven Numbers (Long)
Mandrzejy
54
18 days ago
Niven Numbers (Long)
inverseLorentz
75
21 days ago
Niven Numbers (Long)
Jacob385
72
23 days ago
Niven Numbers (Long)
ashtraypettingzoo
44
23 days ago