12 Days of Christmas
63rd
24 Game
35th
99 Bottles of Beer
38th
Abundant Numbers
12th
Abundant Numbers (Long)
8th
Alphabetic Numbers
10th
Arabic to Roman
20th
Arithmetic Numbers
24th
Arrows
39th
Ascending Primes
3rd
ASCII Table
44th
Billiards
14th
brainfuck
37th
Calendar
1st
Card Number Validation
14th
Catalan Numbers
1st
Catalan’s Constant
17th
Christmas Trees
46th
Collatz
8th
Continued Fractions
1st
CSS Colors
12th
Cubes
34th
Day of Week
1st
DFA Simulator
9th
Diamonds
8th
Divisors
1st
Emirp Numbers
16th
Emirp Numbers (Long)
10th
Emojify
48th
Evil Numbers
1st
Evil Numbers (Long)
42nd
Factorial Factorisation
43rd
Farey Sequence
29th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
30th
Fractions
1st
Game of Life
38th
Gijswijt’s Sequence
22nd
Gray Code Decoder
10th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
102nd
Hexdump
24th
Hilbert Curve
11th
Intersection
40th
Inventory Sequence
1st
ISBN
42nd
Jacobi Symbol
11th
Kaprekar Numbers
46th
Kolakoski Constant
18th
Kolakoski Sequence
1st
Leap Years
18th
Levenshtein Distance
1st
Leyland Numbers
113th
ln 2
1st
Look and Say
25th
Lucky Numbers
1st
Lucky Tickets
1st
Mahjong
8th
Mandelbrot
22nd
Maze
50th
Medal Tally
26th
Minesweeper
15th
Morse Decoder
26th
Morse Encoder
11th
Multitap Input
12th
Musical Chords
11th
N Queens
11th
Niven Numbers
1st
Niven Numbers (Long)
22nd
Number Spiral
27th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
1st
Pangram Grep
45th
Partition Numbers
40th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
9th
Polyominoes
14th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
25th
QR Decoder
21st
Quine
1st
Recamán
55th
Repeating Decimals
1st
Reverse Polish Notation
21st
Reversi
33rd
Rijndael S-box
33rd
Rock-paper-scissors-Spock-lizard
17th
Roman to Arabic
66th
ROT13
1st
Rule 110
38th
Scrambled Sort
1st
Set
13th
Seven Segment
36th
SI Units
26th
Sierpiński Triangle
33rd
Smith Numbers
7th
Spelling Numbers
5th
Star Wars GPT
1st
Star Wars Opening Crawl
11th
Sudoku
19th
Sudoku (Fill-in)
24th
Taxicab Numbers
1st
Ten-pin Bowling
23rd
Tic-tac-toe
11th
Time Distance
17th
Tongue-twisters
54th
Topological Sort
17th
Tower of Hanoi
1st
Transpose Sentence
4th
Trinomial Triangle
1st
United States
64th
Vampire Numbers
25th
Van Eck Sequence
23rd
Zeckendorf Representation
30th
Zodiac Signs
28th
γ
41st
λ
4th
π
1st
τ
11th
φ
49th
√2
1st
𝑒
1st