12 Days of Christmas
27th
23rd
7th
2nd31st
56th
10th
99 Bottles of Beer
23rd
20th
12th
6th28th
49th
10th
Abundant Numbers
13th
24th
8th
5th
54th
17th
Abundant Numbers (Long)
7th
Arabic to Roman
💎
32nd
Arithmetic Numbers
3rd
Arrows
14th
20th
7th
Ascending Primes
5th
ASCII Table
19th
12th
92nd
4th
42nd
13th
brainfuck
3rd
40th
Card Number Validation
9th
Catalan Numbers
9th
21st
5th
3rd
25th
7th
Catalan’s Constant
11th
10th
4th
5th
8th
Christmas Trees
49th
12th
6th
5th10th
45th
11th
Collatz
8th
20th
7th
6th
59th
10th
CSS Colors
3rd
14th
Cubes
19th
9th
4th
2nd
33rd
10th
Day of Week
1st
Diamonds
30th
11th
6th
4th22nd
40th
10th
Divisors
22nd
26th
15th
1st37th
46th
10th
Emirp Numbers
11th
15th
7th
49th
6th20th
181st
64th
24th
Emirp Numbers (Long)
6th
6th
Emojify
9th
Evil Numbers
26th
18th
8th
17th33rd
143rd
26th
23rd
Evil Numbers (Long)
4th
Factorial Factorisation
5th
Farey Sequence
20th
Fibonacci
23rd139th
44th
22nd
307th
1st53rd
832nd
65th
17th
Fizz Buzz
91st
64th
82nd
1,047th
1st107th
1,492nd
4th
26th
Foo Fizz Buzz Bar
10th
17th
8th
12th
10th
Forsyth–Edwards Notation
3rd
Fractions
112th
1st
298th
1st
Game of Life
10th
Gijswijt’s Sequence
3rd
Happy Numbers
19th
15th
6th
5th23rd
138th
38th
21st
Happy Numbers (Long)
6th
12th
6th
7th
172nd
23rd
7th
Hexdump
2nd
Intersection
65th
💎
255th
25th
Inventory Sequence
7th
ISBN
8th
32nd
Jacobi Symbol
5th
Kaprekar Numbers
7th
Kolakoski Constant
7th8th8th39th26th
12th22nd12th10th6th18th21st14th3rd11th26th56th15th
7th7th8th14th17th34th
151st14th27th16th7th8th7th9th24th
Kolakoski Sequence
18th
9th
9th
14th
9th
43rd
1st
230th
28th
17th
Leap Years
15th
26th
11th
3rd
5th26th
59th
5th
11th
Levenshtein Distance
4th
56th
Leyland Numbers
6th
14th
5th
2nd
36th
8th
ln 2
6th
Look and Say
21st
15th
3rd
8th
42nd
18th
Lucky Numbers
5th
10th
4th
10th
9th
Lucky Tickets
3rd
26th
Maze
9th
Medal Tally
7th
Morse Decoder
4th
33rd
Morse Encoder
3rd
36th
Multitap Input
4th
Musical Chords
4th
21st
N Queens
7th
Niven Numbers
23rd
27th
7th
1st41st
44th
21st
Niven Numbers (Long)
4th
Number Spiral
6th
17th
4th
7th
28th
13th
Odious Numbers
25th
17th
7th
17th33rd
108th
22nd
23rd
Odious Numbers (Long)
4th
Ordinal Numbers
11th
50th
PalindromemordnilaP
11th
Pangram Grep
6th
85th
Partition Numbers
14th
Pascal’s Triangle
9th
15th
7th
1st22nd
33rd
10th
Pernicious Numbers
16th
25th
10th
1st
1st39th
1st
22nd
21st
Pernicious Numbers (Long)
11th
Poker
2nd
Polyominoes
6th
Prime Numbers
14th
18th
9th
1st
1st42nd
172nd
65th
23rd
Prime Numbers (Long)
8th
19th
9th
14th
46th
8th
Proximity Grid
3rd
QR Decoder
29th
2nd
16th
Quine
1st
2nd
15th
33rd
1st
81st
100th
Recamán
5th
11th
6th
14th
6th
25th
9th
Repeating Decimals
3rd
Reverse Polish Notation
10th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
2nd
17th
Roman to Arabic
11th
37th
ROT13
4th
Rule 110
19th
8th
5th
7th
39th
12th
Seven Segment
6th
SI Units
💎
Sierpiński Triangle
21st
11th
6th
10th
27th
10th
Smith Numbers
6th
8th
5th
38th
9th
Spelling Numbers
2nd
25th
Star Wars Opening Crawl
💎
Sudoku
5th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
2nd
27th
Tic-tac-toe
6th
Time Distance
3rd
Tongue-twisters
9th
17th
6th
4th
37th
12th
Tower of Hanoi
27th
Transpose Sentence
13th
United States
8th
Vampire Numbers
7th
8th
4th
37th
8th
Van Eck Sequence
5th
10th
6th
42nd
1st
122nd
19th
8th
Zodiac Signs
5th
γ
1st
λ
10th12th11th68th42nd26th14th27th12th9th7th22nd33rd16th6th9th28th101st21st
1st12th9th12th21st47th9th156th16th35th19th12th12th8th10th30th
π
13th11th13th108th76th
15th34th15th12th11th24th50th33rd5th28th58th219th92nd
6th12th8th53rd27th73rd
513th37th52nd23rd10th9th14th9th50th
τ
11th9th10th55th43rd
13th31st13th12th8th16th38th19th6th25th44th113th78th
6th9th8th42nd20th46th
285th22nd42nd16th10th9th8th9th25th
φ
11th42nd12th53rd45th
14th37th15th12th8th17th47th30th4th33rd43rd95th74th
9th8th8th39th22nd45th
365th26th52nd19th11th9th10th12th24th
√2
18th44th13th66th53rd
12th30th15th11th9th19th53rd31st6th28th63rd108th62nd
6th8th8th39th18th50th
214th20th49th16th11th10th9th14th27th
𝑒
12th15th14th82nd59th
13th32nd16th14th10th21st44th33rd6th31st43rd113th76th
9th12th10th41st26th53rd
289th32nd68th26th9th8th12th11th34th