12 Days of Christmas
3rd
24th9th
24 Game
3rd
3rd
99 Bottles of Beer
2nd
11th7th
Abundant Numbers
7th
21st
Abundant Numbers (Long)
7th
20th
Alphabetic Numbers
2nd
2nd
Arabic to Roman
5th
2nd
6th
Arithmetic Numbers
2nd
11th
Arrows
3rd
8th
Ascending Primes
1st
17th
ASCII Table
4th
14th14th
Billiards
3rd
7th
brainfuck
3rd
10th
Calendar
2nd
5th
Card Number Validation
2nd
10th
Catalan Numbers
17th
13th
47th
Catalan’s Constant
2nd
3rd
Christmas Trees
1st
7th
Collatz
5th
9th
Continued Fractions
3rd
5th
CSS Colors
💎
💎1st
Cubes
4th
6th
Day of Week
4th
6th
1st
DFA Simulator
4th
6th
Diamonds
32nd
4th
16th15th
55th
Divisors
1st
27th
Emirp Numbers
1st
21st
Emirp Numbers (Long)
1st
18th
Emojify
2nd
3rd
Evil Numbers
1st
1st
9th
Evil Numbers (Long)
1st
1st
Factorial Factorisation
2nd
5th
Farey Sequence
5th
5th
Fibonacci
23rd
47th
Fizz Buzz
177th
12th
12th
Foo Fizz Buzz Bar
9th
14th
Forsyth–Edwards Notation
1st
5th
Fractions
10th7th
10th
Game of Life
23rd
13th
6th
Gijswijt’s Sequence
4th
8th
Gray Code Decoder
1st
1st
Gray Code Encoder
1st
1st
Happy Numbers
12th
1st
Happy Numbers (Long)
11th
2nd
Hexdump
3rd
8th
Hilbert Curve
4th
3rd
Intersection
7th
13th
Inventory Sequence
5th
11th
37th
ISBN
6th
10th
Jacobi Symbol
2nd
5th
Kaprekar Numbers
1st
5th
Kolakoski Constant
4th
6th
Kolakoski Sequence
1st
1st
Leap Years
6th
1st
Levenshtein Distance
3rd
8th
Leyland Numbers
10th
5th
ln 2
2nd
3rd
Look and Say
3rd
8th
Lucky Numbers
2nd
7th
Lucky Tickets
7th
13th
Mahjong
2nd
4th
Mandelbrot
4th
6th
Maze
3rd
5th
Medal Tally
3rd
7th
Minesweeper
3rd
4th
Morse Decoder
💎
5th
Morse Encoder
1st
9th
Multitap Input
1st
5th
Musical Chords
5th
4th
6th
N Queens
2nd
5th
Niven Numbers
3rd
26th
Niven Numbers (Long)
7th
26th
Number Spiral
14th
19th
Odious Numbers
1st
1st
Odious Numbers (Long)
1st
1st
Ordinal Numbers
2nd
14th
PalindromemordnilaP
4th
11th
Pangram Grep
1st5th
7th
Partition Numbers
2nd
8th
Pascal’s Triangle
1st
31st
Pernicious Numbers
1st
21st
Pernicious Numbers (Long)
1st
11th
Poker
2nd
3rd
Polyominoes
2nd
4th
Prime Numbers
1st
1st
Prime Numbers (Long)
1st
1st
Proximity Grid
3rd
4th
QR Decoder
4th
9th
Quine
251st
23rd47th65th
5th389th90th27th
37th
82nd32nd100th
Recamán
3rd
16th
28th
Repeating Decimals
2nd
5th
Reverse Polish Notation
56th5th
12th
Reversi
2nd
3rd
Rijndael S-box
33rd
18th
2nd
5th
Rock-paper-scissors-Spock-lizard
2nd
2nd
Roman to Arabic
9th
12th
ROT13
4th
10th
Rule 110
3rd
16th
Scrambled Sort
1st
4th
Set
3rd
8th
Seven Segment
4th
5th
SI Units
3rd
4th
Sierpiński Triangle
3rd
12th
Smith Numbers
3rd
8th
Spelling Numbers
1st
2nd
2nd
Star Wars GPT
7th
8th
Star Wars Opening Crawl
💎
4th
127th
Sudoku
2nd
5th
Sudoku (Fill-in)
6th
6th
Taxicab Numbers
4th
5th
Ten-pin Bowling
4th
4th
Tic-tac-toe
2nd
6th
Time Distance
3rd
5th
Tongue-twisters
2nd
3rd
Topological Sort
1st
5th
Tower of Hanoi
3rd
3rd
Transpose Sentence
1st1st
15th
Trinomial Triangle
1st
12th
United States
3rd5th
3rd
Vampire Numbers
5th
5th
Van Eck Sequence
1st
13th
27th
Zeckendorf Representation
3rd
7th
Zodiac Signs
3rd
6th
γ
3rd
3rd
λ
1st
3rd
9th
π
1st
59th8th
τ
1st
7th
φ
6th
5th
√2
1st
6th
𝑒
1st
10th
16th