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
Jacobi Symbol
CaedenHarper
161
3 days ago
Jacobi Symbol
JunkIce
169
8 days ago
Jacobi Symbol
snydej
134
19 days ago
Jacobi Symbol
lifthrasiir
145
20 days ago
Jacobi Symbol
wh3n3v3r
182
23 days ago
Jacobi Symbol
HumanoidCPU
159
31 Oct 2024
Jacobi Symbol
ahmetdemirag
162
10 Oct 2024
Jacobi Symbol
AtengChen
255
24 Aug 2024
Jacobi Symbol
jatloe
149
23 Aug 2024
Jacobi Symbol
alexeldridge
206
8 Aug 2024
Jacobi Symbol
duckyluuk
159
15 Jul 2024
Jacobi Symbol
bac0id
188
5 Jul 2024
Jacobi Symbol
rollershutter
182
4 Jul 2024
Jacobi Symbol
CutSandstone
185
4 Jul 2024
Jacobi Symbol
emgordon154
160
25 Jun 2024
Jacobi Symbol
bricknellj
147
24 Jun 2024
Jacobi Symbol
dokutan
176
23 Jun 2024
Jacobi Symbol
stertooy
150
15 Jun 2024
Jacobi Symbol
ComputerKWasTaken
261
9 Jun 2024
Jacobi Symbol
ovs-code
🥉
121
5 Jun 2024
Jacobi Symbol
Yewzir
167
3 Jun 2024
Jacobi Symbol
MeWhenI
141
22 May 2024
Jacobi Symbol
NoneTheFewer
239
18 May 2024
Jacobi Symbol
madex
291
8 May 2024
Jacobi Symbol
5cw
137
23 Apr 2024
Jacobi Symbol
pardouin
128
22 Apr 2024
Jacobi Symbol
elgan65536
154
4 Apr 2024
Jacobi Symbol
jtaxen
169
1 Apr 2024
Jacobi Symbol
inverseLorentz
165
24 Mar 2024
Jacobi Symbol
yuchuehw
208
25 Feb 2024
Jacobi Symbol
Eilonlif
181
15 Feb 2024
Jacobi Symbol
mathisfun271
259
4 Feb 2024
Jacobi Symbol
dylanjones92
290
26 Jan 2024
Jacobi Symbol
SB-945
172
24 Jan 2024
Jacobi Symbol
DialFrost
152
14 Jan 2024
Jacobi Symbol
ndren
156
4 Jan 2024
Jacobi Symbol
Alex-x90
170
15 Dec 2023
Jacobi Symbol
JayXon
126
7 Nov 2023
Jacobi Symbol
eiburns
207
26 Oct 2023
Jacobi Symbol
GrayJoKing
127
25 Oct 2023
Jacobi Symbol
FlorianCassayre
163
1 Oct 2023
Jacobi Symbol
Command-Master
146
29 Sep 2023
Jacobi Symbol
snoozingnewt
215
25 Sep 2023
Jacobi Symbol
stefangimmillaro
150
19 Sep 2023
Jacobi Symbol
ZakkkkAttackkkk
147
31 Aug 2023
Jacobi Symbol
cdesodt
188
30 Aug 2023
Jacobi Symbol
cingulataluke
231
27 Aug 2023
Jacobi Symbol
hallvabo
133
15 Aug 2023
Jacobi Symbol
msbranicky
193
10 Aug 2023
Jacobi Symbol
kg583
133
7 Aug 2023
Jacobi Symbol
bizy-coder
151
1 Aug 2023
Jacobi Symbol
jmerle
178
11 Jul 2023
Jacobi Symbol
janbehrens
153
17 Jun 2023
Jacobi Symbol
InigoK
157
12 Jun 2023
Jacobi Symbol
BREMAUCY
166
30 May 2023
Jacobi Symbol
mbittner20
182
27 May 2023
Jacobi Symbol
TaserTheFox
152
26 May 2023
Jacobi Symbol
CedricGebistorf
157
5 May 2023
Jacobi Symbol
adamnielson42
205
14 Apr 2023
Jacobi Symbol
Just4FunCoder
158
26 Mar 2023
Jacobi Symbol
StefanHabel
161
26 Mar 2023
Jacobi Symbol
quimey
147
23 Mar 2023
Jacobi Symbol
SirFireball3521
185
6 Mar 2023
Jacobi Symbol
voytxt
197
1 Mar 2023
Jacobi Symbol
anter69
152
16 Feb 2023
Jacobi Symbol
m4xxh
190
8 Feb 2023
Jacobi Symbol
hellwue
191
8 Feb 2023
Jacobi Symbol
rak1507
161
8 Feb 2023
Jacobi Symbol
scpchicken
187
4 Feb 2023
Jacobi Symbol
aksyristos
168
25 Jan 2023
Jacobi Symbol
bob-th
167
24 Jan 2023
Jacobi Symbol
neel11235813
163
24 Jan 2023
Jacobi Symbol
KatieLG
159
8 Jan 2023
Jacobi Symbol
btnlq
130
25 Dec 2022
Jacobi Symbol
nstearns96
160
15 Dec 2022