12 Days of Christmas
44th
3rd
99 Bottles of Beer
8th
20th
352nd
5th
37th
Abundant Numbers
25th
37th
7th
6th
Abundant Numbers (Long)
21st
24th
27th
4th
7th
Arabic to Roman
14th
6th
1st
Arithmetic Numbers
19th
2nd
Arrows
26th
9th
Ascending Primes
37th
8th
ASCII Table
7th6th
19th15th
31st29th
27th14th15th
9th
100th
19th
10th
41st
13th
Billiards
5th
brainfuck
25th
6th
Calendar
2nd
Catalan Numbers
8th
Catalan’s Constant
40th
6th
Christmas Trees
12th
Collatz
32nd
19th
24th
11th
6th
Continued Fractions
3rd
CSS Colors
1st
Cubes
💎
60th
Day of Week
38th
1st
Diamonds
31st
30th
13th
Divisors
10th
37th
13th
8th
Emirp Numbers
11th
Emirp Numbers (Long)
7th
Emojify
4th
Evil Numbers
71st
21st
Evil Numbers (Long)
53rd
17th
Factorial Factorisation
5th
5th
Farey Sequence
13th
Fibonacci
66th
37th
49th215th
74th
69th
37th
110th
1,149th
10th44th
Fizz Buzz
267th
51st
Foo Fizz Buzz Bar
21st
17th
Forsyth–Edwards Notation
5th
Fractions
7th
67th
13th
Gijswijt’s Sequence
16th
Gray Code Decoder
7th
Gray Code Encoder
8th
Happy Numbers
12th
Happy Numbers (Long)
10th
Hexdump
9th
Hilbert Curve
4th
7th
Intersection
42nd
9th
90th
Inventory Sequence
23rd
10th
7th
6th
2nd
ISBN
3rd
25th
31st
5th
5th
Jacobi Symbol
28th
8th
Kaprekar Numbers
3rd
Kolakoski Constant
23rd23rd
5th
Leap Years
17th
23rd
5th
12th
5th
Levenshtein Distance
6th
Leyland Numbers
3rd
ln 2
8th
3rd
Look and Say
27th20th
7th
Lucky Numbers
10th
Lucky Tickets
5th
Mahjong
2nd
Mandelbrot
11th
Medal Tally
6th
Morse Decoder
4th
Morse Encoder
6th
Multitap Input
10th
2nd
Musical Chords
4th
N Queens
6th
Niven Numbers
20th
31st
10th
Number Spiral
40th
27th
7th
Odious Numbers
63rd
22nd
Odious Numbers (Long)
47th
16th
Ordinal Numbers
7th
PalindromemordnilaP
6th
Pangram Grep
1st
Partition Numbers
8th
Pascal’s Triangle
60th
15th
Pernicious Numbers
12th
103rd
28th
398th
11th
Pernicious Numbers (Long)
16th
9th
Poker
4th
Polyominoes
11th
2nd
Prime Numbers
25th
131st
11th
25th
8th
Prime Numbers (Long)
80th
14th
19th
17th
6th
Proximity Grid
7th
Quine
138th
138th26th
29th
3rd
117th14th
81st
14th
13th
Recamán
11th
Repeating Decimals
5th
Reverse Polish Notation
14th
5th
Rijndael S-box
41st48th
4th
3rd
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
11th
ROT13
32nd
6th
36th
3rd
Rule 110
15th
10th
Scrambled Sort
8th
2nd
25th
Set
4th
Seven Segment
9th
SI Units
4th
Sierpiński Triangle
7th
24th44th
8th
Smith Numbers
11th
Spelling Numbers
8th11th
43rd
10th💎
Star Wars GPT
4th
Star Wars Opening Crawl
4th
Sudoku
3rd
Sudoku (Fill-in)
5th
Ten-pin Bowling
7th
Tic-tac-toe
13th
5th
Time Distance
13th
6th
Tongue-twisters
3rd2nd3rd9th23rd20th16th21st40th57th40th16th13th16th39th22nd21st11th12th26th11th17th15th7th15th12th25th11th11th19th
10th13th43rd191st10th33rd18th14th40th10th20th12th19th39th40th9th394th14th23rd13th23rd33rd11th12th14th20th12th12th12th8th12th5th
Topological Sort
4th
Tower of Hanoi
41st
21st
29th9th11th
84th
Transpose Sentence
9th
Trinomial Triangle
9th
3rd
United States
9th
Vampire Numbers
17th
💎
Van Eck Sequence
3rd
Zeckendorf Representation
8th
γ
16th28th
6th
λ
7th
35th
9th
56th
16th
12th
π
11th
17th24th
4th
7th
4th
τ
10th
16th
3rd
4th
φ
11th
3rd
6th
√2
10th
3rd
6th
𝑒
35th19th
5th
97th
4th