12 Days of Christmas
25th
68th
3rd
36th2nd
1,039th
14th
24 Game
6th
3rd
10th
99 Bottles of Beer
24th
11th
4th
Abundant Numbers
11th
5th
51st5th
Abundant Numbers (Long)
5th
5th
4th
Arabic to Roman
39th
7th
Arithmetic Numbers
5th
27th
3rd
6th
24th
Arrows
Ascending Primes
3rd
3rd
6th
ASCII Table
5th
34th
4th
4th
242nd
brainfuck
3rd
Catalan Numbers
4th
5th
2nd
260th
Catalan’s Constant
4th
3rd
2nd
Christmas Trees
4th
70th
34th
9th
17th2nd
213th
Collatz
5th
53rd
23rd
4th
1st
42nd
CSS Colors
28th
1st
102nd
Cubes
4th
10th
2nd
3rd
31st
Day of Week
44th
3rd
11th
113th217th
DFA Simulator
15th
19th
4th
26th
Diamonds
3rd
32nd
7th
3rd
129th
Divisors
23rd
37th
14th
2nd
1st
Emirp Numbers
10th
35th
2nd
7th
225th
Emirp Numbers (Long)
3rd
26th
3rd
6th
140th
Emojify
5th
Evil Numbers
20th
4th
13th
417th
Evil Numbers (Long)
5th
5th
12th
185th
Factorial Factorisation
5th
3rd
5th
194th
Farey Sequence
9th
93rd
Fibonacci
20th320th187th
149th9th207th589th48th1st23rd64th130th
197th
206th
Fizz Buzz
108th
81st
44th
1,583rd
Foo Fizz Buzz Bar
9th
7th
12th
Forsyth–Edwards Notation
3rd
51st
Fractions
37th
3rd
179th
Game of Life
6th
Gijswijt’s Sequence
4th
3rd
13th
Happy Numbers
11th
3rd
12th
Happy Numbers (Long)
4th
4th
7th
303rd
Hexdump
4th
Intersection
4th
Inventory Sequence
7th
4th
10th
146th
ISBN
3rd
6th
146th
Jacobi Symbol
7th
109th
Kolakoski Constant
3rd
2nd
3rd
Kolakoski Sequence
15th
4th
8th
271st
Leap Years
13th
22nd
3rd
48th15th
60th
Levenshtein Distance
14th
Leyland Numbers
2nd
3rd
ln 2
3rd
3rd
4th
Look and Say
6th
7th
10th
Lucky Numbers
3rd
3rd
4th
143rd
Lucky Tickets
6th
Mandelbrot
124th
Maze
4th
Medal Tally
27th
4th
64th
Morse Decoder
Morse Encoder
4th
Musical Chords
2nd
68th
N Queens
7th
50th
Niven Numbers
25th
39th
3rd
34th1st
88th
Niven Numbers (Long)
4th
3rd
17th
305th
Number Spiral
10th
4th
5th
Odious Numbers
16th
4th
30th16th
316th
Odious Numbers (Long)
5th
5th
12th
117th
Ordinal Numbers
7th
6th
3rd
270th
Pangram Grep
8th
Pascal’s Triangle
12th
8th
1st
304th
Pernicious Numbers
17th
3rd
32nd
339th
Pernicious Numbers (Long)
5th
4th
14th
Poker
4th
Polyominoes
7th
2nd
9th
Prime Numbers
21st
6th
1st
149th
Prime Numbers (Long)
5th
8th
13th
471st
Proximity Grid
7th
QR Decoder
4th
Quine
3rd
11th
82nd
Recamán
3rd
4th
4th
131st
Repeating Decimals
4th
Reverse Polish Notation
3rd
157th
Reversi
6th
Rijndael S-box
15th
3rd
7th
Rock-paper-scissors-Spock-lizard
4th
Roman to Arabic
10th
83rd
Rule 110
21st
3rd
8th
Seven Segment
4th
SI Units
12th
2nd
2nd
28th
Sierpiński Triangle
18th
4th
4th
149th
Smith Numbers
3rd
4th
5th
91st
Spelling Numbers
97th
3rd
69th
Star Wars Opening Crawl
2nd
Sudoku
💎
Sudoku (Fill-in)
3rd
Ten-pin Bowling
5th
Time Distance
20th
💎
37th
Tongue-twisters
13th
2nd
5th
85th
Transpose Sentence
26th
5th
22nd
United States
Vampire Numbers
2nd
2nd
4th
149th
Van Eck Sequence
11th
4th
3rd
217th
Zodiac Signs
2nd
61st
γ
4th
3rd
3rd
λ
8th
3rd
3rd
61st
π
13th9th140th51st63rd
4th
215th107th47th8th
18th
484th
37th53rd
τ
7th
4th
6th
φ
8th
4th
4th
102nd
√2
8th
4th
4th
113th
𝑒
9th
5th
8th
42nd