Recent Solutions
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
ROT13
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
Rockstar 2
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
Rockstar 2
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
ROT13
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
ROT13
msbranicky
🥈
258
5 mins ago
Look and Say
msbranicky
178
24 mins ago
ROT13
MeWhenI
💎
129
22 hours ago
Billiards
msbranicky
🥈
450
44 hours ago
Pangram Grep
whenaver
454
3 days ago
𝑒
Fishyfii
1,018
4 days ago
Catalan’s Constant
sean-niemann
💎
168
6 days ago
Prime Numbers
sean-niemann
🥇
47
6 days ago
Van Eck Sequence
sean-niemann
🥇
63
6 days ago
Divisors
sean-niemann
62
6 days ago
Kolakoski Sequence
sean-niemann
77
6 days ago
Fizz Buzz
sean-niemann
🥇
72
7 days ago
Fibonacci
sean-niemann
48
7 days ago
Kolakoski Constant
sean-niemann
💎
159
7 days ago
ln 2
sean-niemann
💎
125
7 days ago
τ
sean-niemann
💎
128
7 days ago
π
sean-niemann
💎
128
7 days ago
φ
sean-niemann
💎
134
7 days ago
√2
sean-niemann
💎
135
7 days ago
Pascal’s Triangle
DialFrost
83
14 days ago
Billiards
MostParsingVex
💎
260
18 days ago
Recamán
DialFrost
72
19 days ago
√2
madeforlosers
1,018
20 days ago
τ
madeforlosers
1,018
21 days ago
π
madeforlosers
1,018
21 days ago
γ
madeforlosers
1,018
21 days ago
Morse Decoder
dokutan
915
27 days ago
Emojify
dokutan
545
27 days ago
Kaprekar Numbers
rucin93
🥉
93
9 Dec 2024
Forsyth–Edwards Notation
dokutan
239
7 Dec 2024
Quine
lifthrasiir
🥉
92
2 Dec 2024
Billiards
KatieLG
🥉
13,453
1 Dec 2024
Card Number Validation
sean-niemann
🥈
121
30 Nov 2024
Christmas Trees
DialFrost
78
23 Nov 2024
Fibonacci
madeforlosers
53
22 Nov 2024
Quine
NicknamedTwice
287
21 Nov 2024
Levenshtein Distance
edsrzf
254
20 Nov 2024
Levenshtein Distance
IISResetMe
327
15 Nov 2024
12 Days of Christmas
sean-niemann
456
13 Nov 2024
Quine
HumanoidCPU
324
12 Nov 2024
Farey Sequence
JayXon
💎
89
10 Nov 2024
Kaprekar Numbers
stefangimmillaro
119
7 Nov 2024
Kaprekar Numbers
DialFrost
🥈
86
6 Nov 2024
Kaprekar Numbers
sean-niemann
🥉
93
5 Nov 2024
Kaprekar Numbers
JayXon
💎
83
5 Nov 2024
Roman to Arabic
DialFrost
🥉
122
5 Nov 2024
Prime Numbers (Long)
DialFrost
🥇
54
5 Nov 2024
Fibonacci
DialFrost
48
5 Nov 2024
Kaprekar Numbers
MeWhenI
455
2 Nov 2024
Kaprekar Numbers
msbranicky
218
1 Nov 2024
Kaprekar Numbers
Shanethegamer
455
1 Nov 2024
Kaprekar Numbers
KatieLG
455
1 Nov 2024
Kaprekar Numbers
dokutan
206
1 Nov 2024
Kaprekar Numbers
HumanoidCPU
455
1 Nov 2024
Levenshtein Distance
CaedenHarper
432
31 Oct 2024
Christmas Trees
Shanethegamer
79
29 Oct 2024
Happy Numbers (Long)
DialFrost
114
28 Oct 2024
Farey Sequence
dokutan
156
26 Oct 2024
Poker
Shanethegamer
💎
383
23 Oct 2024
SI Units
dokutan
💎
516
22 Oct 2024
Emirp Numbers (Long)
Shanethegamer
1,171
21 Oct 2024
Fizz Buzz
aliakseikalosha
89
21 Oct 2024
Niven Numbers (Long)
pardouin
71
21 Oct 2024
𝑒
DialFrost
🥈
93
20 Oct 2024
24 Game
dokutan
🥉
2,344
19 Oct 2024
Polyominoes
dokutan
💎
692
19 Oct 2024
Rijndael S-box
dokutan
🥉
454
19 Oct 2024
Card Number Validation
dokutan
175
19 Oct 2024
Polyominoes
emgordon154
🥈
981
18 Oct 2024
Sierpiński Triangle
dokutan
196
16 Oct 2024
Tongue-twisters
dokutan
🥈
283
16 Oct 2024
Happy Numbers (Long)
dokutan
146
14 Oct 2024
Quine
CaedenHarper
287
13 Oct 2024
CSS Colors
Alex-x90
💎
398
10 Oct 2024
Cubes
sean-niemann
🥉
253
8 Oct 2024