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
Bytes
Submitted
ROT13
MostParsingVex
🥈
161
57 mins ago
ROT13
error256
💎
160
73 mins ago
Roman to Arabic
error256
🥇
76
3 hours ago
Arabic to Roman
error256
🥇
84
4 hours ago
𝑒
Fishyfii
1,025
11 hours ago
Pascal’s Triangle
whenaver
117
39 hours ago
π
AidanWalter
1,024
3 days ago
Pascal’s Triangle
AidanWalter
432
3 days ago
Pascal’s Triangle
edsrzf
123
3 days ago
Leap Years
retrohun
97
6 days ago
Sierpiński Triangle
HumanoidCPU
659
7 days ago
γ
Bobracha
🥈
1,021
8 days ago
Recamán
DialFrost
🥉
115
12 days ago
Evil Numbers (Long)
DialFrost
73
12 days ago
Pascal’s Triangle
DialFrost
115
13 days ago
Divisors
DialFrost
99
13 days ago
Fibonacci
DialFrost
69
13 days ago
Pernicious Numbers (Long)
DialFrost
81
13 days ago
Odious Numbers (Long)
DialFrost
72
13 days ago
Day of Week
DialFrost
🥇
103
13 days ago
Arabic to Roman
DialFrost
89
13 days ago
Pascal’s Triangle
kevinnaviapaiva
327
16 days ago
Roman to Arabic
DialFrost
🥇
76
16 days ago
Lucky Numbers
DialFrost
144
16 days ago
√2
madeforlosers
1,021
19 days ago
π
madeforlosers
1,021
19 days ago
Polyominoes
m-tkach
💎
666
19 days ago
Factorial Factorisation
dokutan
🥉
880
23 days ago
United States
Quirkly-Quasar
1,316
27 days ago
Ascending Primes
dokutan
581
7 Dec 2024
Fibonacci
whenaver
76
7 Dec 2024
United States
Quirkly-Quasar1
1,747
4 Dec 2024
12 Days of Christmas
bolligerm
589
3 Dec 2024
Quine
Quirkly-Quasar1
116
3 Dec 2024
Billiards
MostParsingVex
💎
277
3 Dec 2024
Billiards
KatieLG
🥈
18,019
1 Dec 2024
Quine
lifthrasiir
112
27 Nov 2024
Quine
Quirkly-Quasar
116
25 Nov 2024
Quine
NicknamedTwice
🥇
92
24 Nov 2024
Fibonacci
madeforlosers
86
22 Nov 2024
Collatz
madeforlosers
155
22 Nov 2024
Fizz Buzz
enbyte
203
19 Nov 2024
Quine
Shorter-Than-Short
116
16 Nov 2024
Foo Fizz Buzz Bar
HumanoidCPU
238
14 Nov 2024
Quine
Short-C0de
116
14 Nov 2024
Kaprekar Numbers
DialFrost
💎
118
13 Nov 2024
Pascal’s Triangle
emgordon154
160
12 Nov 2024
Tongue-twisters
HumanoidCPU
615
6 Nov 2024
Pascal’s Triangle
5cw
125
5 Nov 2024
QR Decoder
MostParsingVex
🥈
460
5 Nov 2024
Kaprekar Numbers
MeWhenI
🥉
505
2 Nov 2024
Prime Numbers
HumanoidCPU
126
1 Nov 2024
Prime Numbers (Long)
HumanoidCPU
129
1 Nov 2024
Collatz
HumanoidCPU
6,239
1 Nov 2024
Van Eck Sequence
HumanoidCPU
5,568
1 Nov 2024
Abundant Numbers (Long)
HumanoidCPU
1,715
1 Nov 2024
Abundant Numbers
HumanoidCPU
314
1 Nov 2024
Kaprekar Numbers
dokutan
509
1 Nov 2024
Kaprekar Numbers
KatieLG
661
1 Nov 2024
Leyland Numbers
HumanoidCPU
1,220
1 Nov 2024
Smith Numbers
HumanoidCPU
2,965
1 Nov 2024
Emirp Numbers (Long)
HumanoidCPU
1,889
1 Nov 2024
Emirp Numbers
HumanoidCPU
257
1 Nov 2024
Pernicious Numbers
HumanoidCPU
218
1 Nov 2024
Leap Years
HumanoidCPU
1,181
1 Nov 2024
Odious Numbers (Long)
HumanoidCPU
3,458
1 Nov 2024
Evil Numbers (Long)
HumanoidCPU
3,466
1 Nov 2024
Odious Numbers
HumanoidCPU
164
1 Nov 2024
Evil Numbers
HumanoidCPU
158
1 Nov 2024
Kaprekar Numbers
HumanoidCPU
799
1 Nov 2024
Kaprekar Numbers
error256
🥈
147
1 Nov 2024
Divisors
HumanoidCPU
1,701
31 Oct 2024
Happy Numbers (Long)
HumanoidCPU
994
31 Oct 2024
Happy Numbers
HumanoidCPU
216
31 Oct 2024
Ascending Primes
HumanoidCPU
825
31 Oct 2024