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
Bytes
Submitted
Niven Numbers (Long)
Yax42
🥇
69
4 days ago
Niven Numbers (Long)
pardouin
🥇
69
30 Sep 2024
Niven Numbers (Long)
Mabeloid
8,992
22 Sep 2024
Niven Numbers (Long)
Mikey-Beep
73
2 Sep 2024
Niven Numbers (Long)
dokutan
85
15 Jul 2024
Niven Numbers (Long)
Yewzir
75
10 Apr 2024
Niven Numbers (Long)
HumanoidCPU
89
25 Feb 2024
Niven Numbers (Long)
Matgc04
78
24 Feb 2024
Niven Numbers (Long)
epic-programmer-guy
95
20 Dec 2023
Niven Numbers (Long)
michelebastione
93
19 Dec 2023
Niven Numbers (Long)
namelessiw
🥇
69
19 Dec 2023
Niven Numbers (Long)
ElysiaVesper
103
23 Nov 2023
Niven Numbers (Long)
josephdwalker
79
21 Nov 2023
Niven Numbers (Long)
malworthy
71
25 Oct 2023
Niven Numbers (Long)
annaproxy
🥇
69
22 Oct 2023
Niven Numbers (Long)
jmmographer
97
22 Oct 2023
Niven Numbers (Long)
bac0id
88
26 Sep 2023
Niven Numbers (Long)
MiranDaniel
79
2 Sep 2023
Niven Numbers (Long)
msbranicky
94
28 Aug 2023
Niven Numbers (Long)
MeWhenI
🥇
69
16 Aug 2023
Niven Numbers (Long)
KrausRaus
90
31 Jul 2023
Niven Numbers (Long)
Pyro569
118
31 Jul 2023
Niven Numbers (Long)
Adix-null
🥇
69
30 Jul 2023
Niven Numbers (Long)
leth4
71
5 Jul 2023
Niven Numbers (Long)
sean-niemann
🥇
69
18 Jun 2023
Niven Numbers (Long)
arctouch-cristiannevianna
71
15 Jun 2023
Niven Numbers (Long)
m-tkach
75
2 Jun 2023
Niven Numbers (Long)
AdrienHache
🥇
69
31 May 2023
Niven Numbers (Long)
horvaro
86
20 Apr 2023
Niven Numbers (Long)
btnlq
🥇
69
28 Feb 2023
Niven Numbers (Long)
TimJackMaster
112
25 Jan 2023
Niven Numbers (Long)
KatieLG
126
9 Jan 2023
Niven Numbers (Long)
retrohun
8,992
28 Dec 2022
Niven Numbers (Long)
ChrisTheisen
93
19 Dec 2022
Niven Numbers (Long)
astdefu
100
12 Dec 2022
Niven Numbers (Long)
sm1lko
100
9 Dec 2022
Niven Numbers (Long)
sisyphus-ppcg
🥇
69
7 Dec 2022
Niven Numbers (Long)
tomtheisen
🥇
69
7 Dec 2022
Niven Numbers (Long)
Steffan153
🥇
69
2 Oct 2022
Niven Numbers (Long)
janbehrens
85
12 Sep 2022
Niven Numbers (Long)
primo-ppcg
75
4 Sep 2022
Niven Numbers (Long)
eshilo-draper
93
3 Sep 2022
Niven Numbers (Long)
roavin
77
30 Aug 2022
Niven Numbers (Long)
hermanussen
99
29 Aug 2022
Niven Numbers (Long)
hemphen
87
29 Aug 2022
Niven Numbers (Long)
aliakseikalosha
88
25 Aug 2022
Niven Numbers (Long)
stefangimmillaro
🥇
69
23 Aug 2022
Niven Numbers (Long)
revlayle
🥇
69
16 Aug 2022
Niven Numbers (Long)
GrayJoKing
🥇
69
14 Aug 2022
Niven Numbers (Long)
tomh1012
82
11 Aug 2022
Niven Numbers (Long)
p-vf
102
10 Aug 2022
Niven Numbers (Long)
nwellnhof
🥇
69
8 Aug 2022
Niven Numbers (Long)
Shanethegamer
🥇
69
8 Aug 2022
Niven Numbers (Long)
hamhub7
94
8 Aug 2022
Niven Numbers (Long)
KatieLG-Transpiler
8,996
8 Aug 2022
Niven Numbers (Long)
Lydxn
🥇
69
8 Aug 2022
Niven Numbers (Long)
JayXon
🥇
69
8 Aug 2022