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
Happy Numbers (Long)
JunkIce
76
29 hours ago
Happy Numbers (Long)
ariesmarinus
272
7 days ago
Happy Numbers (Long)
moustave
84
8 days ago
Happy Numbers (Long)
5quiwyrm
92
9 days ago
Happy Numbers (Long)
Europe2048
96
10 days ago
Happy Numbers (Long)
jbjd
92
11 days ago
Happy Numbers (Long)
Unknownuserfrommars
182
14 days ago
Happy Numbers (Long)
klixel
85
16 days ago
Happy Numbers (Long)
Emutis
106
18 days ago
Happy Numbers (Long)
lifthrasiir
66
18 days ago
Happy Numbers (Long)
wh3n3v3r
75
21 days ago
Happy Numbers (Long)
hamilton-bonds
137
22 days ago
Happy Numbers (Long)
edsrzf
84
5 Nov 2024
Happy Numbers (Long)
Rubiksmath
73
19 Oct 2024
Happy Numbers (Long)
bzijlema
79
11 Oct 2024
Happy Numbers (Long)
CaedenHarper
81
9 Oct 2024
Happy Numbers (Long)
Bulmenisaurus
77
8 Oct 2024
Happy Numbers (Long)
itljan30
217
6 Oct 2024
Happy Numbers (Long)
zyc-2024
564
5 Oct 2024
Happy Numbers (Long)
bizy-coder
73
3 Oct 2024
Happy Numbers (Long)
jatloe
70
27 Sep 2024
Happy Numbers (Long)
MassimoParisi
119
25 Sep 2024
Happy Numbers (Long)
JesseNoEyes
118
25 Sep 2024
Happy Numbers (Long)
emgordon154
67
23 Sep 2024
Happy Numbers (Long)
Mabeloid
89
18 Sep 2024
Happy Numbers (Long)
julian-hoelz
135
15 Sep 2024
Happy Numbers (Long)
Deedogg
122
9 Sep 2024
Happy Numbers (Long)
EnTerr
80
8 Sep 2024
Happy Numbers (Long)
CyberTapir
140
1 Sep 2024
Happy Numbers (Long)
Steffan153
63
29 Aug 2024
Happy Numbers (Long)
csharpython
77
24 Aug 2024
Happy Numbers (Long)
sacredeux
152
20 Aug 2024
Happy Numbers (Long)
duckyluuk
65
15 Aug 2024
Happy Numbers (Long)
martion2007
94
14 Aug 2024
Happy Numbers (Long)
FranklinJiaChen
85
5 Aug 2024
Happy Numbers (Long)
Ythaenagor
107
5 Aug 2024
Happy Numbers (Long)
codingisgreatbutiamnot
82
25 Jul 2024
Happy Numbers (Long)
fgrosshans
80
23 Jul 2024
Happy Numbers (Long)
resoNathan
86
18 Jul 2024
Happy Numbers (Long)
namelessiw
80
14 Jul 2024
Happy Numbers (Long)
pardouin
🥇
61
11 Jul 2024
Happy Numbers (Long)
jameswmccarty
127
10 Jul 2024
Happy Numbers (Long)
CutSandstone
113
5 Jul 2024
Happy Numbers (Long)
rollershutter
89
2 Jul 2024
Happy Numbers (Long)
HumanoidCPU
84
23 Jun 2024
Happy Numbers (Long)
drochom
94
22 Jun 2024
Happy Numbers (Long)
dokutan
83
20 Jun 2024
Happy Numbers (Long)
stertooy
85
14 Jun 2024
Happy Numbers (Long)
madex
89
13 Jun 2024
Happy Numbers (Long)
ahmetdemirag
86
9 Jun 2024
Happy Numbers (Long)
ComputerKWasTaken
137
8 Jun 2024
Happy Numbers (Long)
Seek64
77
30 May 2024
Happy Numbers (Long)
therealnumbers
128
30 May 2024
Happy Numbers (Long)
jfallon1997
114
16 May 2024
Happy Numbers (Long)
5cw
79
8 May 2024
Happy Numbers (Long)
inverseLorentz
90
3 May 2024
Happy Numbers (Long)
Stockoh
102
26 Apr 2024
Happy Numbers (Long)
aalec
115
24 Apr 2024
Happy Numbers (Long)
mrmena
139
16 Apr 2024
Happy Numbers (Long)
jtaxen
80
4 Apr 2024
Happy Numbers (Long)
abhyudaya633
227
2 Apr 2024
Happy Numbers (Long)
sultan
109
2 Apr 2024
Happy Numbers (Long)
SB-945
68
31 Mar 2024
Happy Numbers (Long)
Grrisly
86
29 Mar 2024
Happy Numbers (Long)
NerdyMcNerd42
91
22 Mar 2024
Happy Numbers (Long)
BREMAUCY
109
19 Mar 2024
Happy Numbers (Long)
jstechman
129
9 Mar 2024
Happy Numbers (Long)
steffan-polygolf
77
8 Mar 2024
Happy Numbers (Long)
Pale-Vessel
147
7 Mar 2024
Happy Numbers (Long)
elgan65536
68
7 Mar 2024
Happy Numbers (Long)
DGipe
142
4 Mar 2024
Happy Numbers (Long)
Bmrl7
86
29 Feb 2024
Happy Numbers (Long)
JakeDaCake36
101
20 Feb 2024
Happy Numbers (Long)
Just4FunCoder
66
17 Feb 2024
Happy Numbers (Long)
Masttest
88
13 Feb 2024