12 Days of Christmas
86th
99 Bottles of Beer
22nd
Abundant Numbers
3rd
6th
23rd
8th
brainfuck
6th
5th
44th
Christmas Trees
9th
Collatz
3rd
3rd
59th
CSS Colors
5th
21st
Day of Week
1st
Divisors
11th
8th
121st
Emirp Numbers
10th
1st
1st
Evil Numbers
12th
7th
13th
8th
Fibonacci
64th
54th
144th
5th
Fizz Buzz
1st
1st
1st
14th
Foo Fizz Buzz Bar
13th
5th
24th
Forsyth–Edwards Notation
7th
Fractions
9th
6th
Game of Life
11th
3rd
Happy Numbers
1st
1st
3rd
Hexdump
6th
2nd
Intersection
10th
3rd
27th
ISBN
15th
13th
Jacobi Symbol
4th
Kolakoski Sequence
15th
40th
Leap Years
14th
12th
1st
Levenshtein Distance
7th
Leyland Numbers
9th
Look and Say
4th
Lucky Numbers
3rd
4th
4th
Niven Numbers
8th
17th
1st
1st
14th
Odious Numbers
7th
11th
Ordinal Numbers
14th
10th
1st
Pangram Grep
12th
Pascal’s Triangle
1st
1st
5th
Pernicious Numbers
29th
Prime Numbers
8th
8th
86th
6th
Prime Numbers (Long)
3rd
3rd
31st
Quine
1st
1st
1st
25th
1st
51st
1st
Reverse Polish Notation
3rd
💎
16th
Rock-paper-scissors-Spock-lizard
3rd
Roman to Arabic
7th
1st
Rule 110
5th
6th
3rd
39th
Time Distance
5th
Tongue-twisters
8th
4th
42nd
United States
4th
Vampire Numbers
15th
π
38th
21st
150th
7th
τ
26th