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
brainfuck
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
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
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
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 v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Clojure
COBOL
Coconut
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
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++
Clojure
COBOL
Coconut
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
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
brainfuck
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
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
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
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 v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
π
sciencejiho
1,008
18 hours ago
Factorial Factorisation
HPWiz
💎
90
2 days ago
Leyland Numbers
HumanoidCPU
891
3 days ago
Smith Numbers
HPWiz
💎
97
3 days ago
π
aalec
1,008
3 days ago
𝑒
dokutan
950
4 days ago
√2
dokutan
941
4 days ago
Van Eck Sequence
dokutan
1,419
4 days ago
Pascal’s Triangle
dokutan
646
4 days ago
Diamonds
HumanoidCPU
1,108
4 days ago
Tongue-twisters
HumanoidCPU
528
5 days ago
Recamán
HumanoidCPU
902
9 days ago
Fizz Buzz
HumanoidCPU
418
9 days ago
Cubes
HumanoidCPU
4,106
9 days ago
Catalan Numbers
HumanoidCPU
2,877
9 days ago
Factorial Factorisation
ndren
🥈
867
9 days ago
Kolakoski Sequence
HumanoidCPU
2,005
9 days ago
√2
HumanoidCPU
1,008
10 days ago
φ
HumanoidCPU
1,008
10 days ago
Kolakoski Constant
HumanoidCPU
1,008
10 days ago
Rijndael S-box
HumanoidCPU
🥉
773
10 days ago
Prime Numbers
Yewzir
64
13 days ago
Factorial Factorisation
Yewzir
🥈
867
13 days ago
Factorial Factorisation
dokutan
🥈
867
13 days ago
λ
HumanoidCPU
1,008
13 days ago
Factorial Factorisation
KatieLG
🥈
867
13 days ago
Factorial Factorisation
HumanoidCPU
🥈
867
13 days ago
Factorial Factorisation
MeWhenI
🥈
867
14 days ago
Factorial Factorisation
Shanethegamer
🥈
867
14 days ago
τ
HumanoidCPU
1,008
14 days ago
Niven Numbers (Long)
Yewzir
🥈
74
16 days ago
Ascending Primes
Yewzir
💎
197
17 days ago
Prime Numbers (Long)
Yewzir
96
17 days ago
24 Game
madeforlosers
🥉
12,437
21 days ago
Fibonacci
Herbert00709
139
29 Mar 2024
Fibonacci
RockOfStone
83
23 Mar 2024
Poker
MeWhenI
🥉
556
21 Mar 2024
Van Eck Sequence
KatieLG
2,560
17 Mar 2024
Vampire Numbers
KatieLG
🥉
1,076
17 Mar 2024
Tongue-twisters
KatieLG
528
17 Mar 2024
Smith Numbers
KatieLG
1,829
17 Mar 2024
Sierpiński Triangle
KatieLG
559
17 Mar 2024
Rule 110
KatieLG
15,857
17 Mar 2024
Rijndael S-box
KatieLG
🥉
773
17 Mar 2024
Recamán
KatieLG
902
17 Mar 2024
Prime Numbers (Long)
KatieLG
5,953
17 Mar 2024
Prime Numbers
KatieLG
76
17 Mar 2024
Pernicious Numbers (Long)
KatieLG
20,667
17 Mar 2024
Pernicious Numbers
KatieLG
105
17 Mar 2024
Pascal’s Triangle
KatieLG
774
17 Mar 2024
Odious Numbers (Long)
KatieLG
1,950
17 Mar 2024
Odious Numbers
KatieLG
78
17 Mar 2024
Number Spiral
KatieLG
305
17 Mar 2024
Niven Numbers (Long)
KatieLG
7,443
17 Mar 2024
Niven Numbers
KatieLG
96
17 Mar 2024
Lucky Numbers
KatieLG
4,825
17 Mar 2024
Look and Say
KatieLG
1,284
17 Mar 2024
Leyland Numbers
KatieLG
891
17 Mar 2024
Leap Years
KatieLG
735
17 Mar 2024
Inventory Sequence
KatieLG
2,628
17 Mar 2024