12 Days of Christmas
111th
99 Bottles of Beer
23rd
Abundant Numbers
3rd
13th31st
13th
brainfuck
6th
5th63rd
Card Number Validation
10th
Christmas Trees
8th
Collatz
3rd
6th107th
CSS Colors
7th24th
Day of Week
1st
Divisors
12th
6th146th
Emirp Numbers
14th
9th6th
Emojify
Evil Numbers
16th
15th15th
9th
Fibonacci
94th
56th196th41st
6th
Fizz Buzz
3rd
1st1st5th
20th
Foo Fizz Buzz Bar
22nd
9th44th
Forsyth–Edwards Notation
18th
Fractions
15th
9th
Game of Life
14th
4th
Happy Numbers
1st
10th4th
Hexdump
8th
6th
Intersection
16th
5th37th
ISBN
17th
17th
Jacobi Symbol
10th
Kolakoski Sequence
14th54th
Leap Years
23rd
20th11th14th
Levenshtein Distance
13th
Leyland Numbers
15th
Look and Say
12th
Lucky Numbers
3rd9th
6th
Niven Numbers
10th
21st5th1st
22nd
Odious Numbers
15th12th
Ordinal Numbers
18th
12th1st
Pangram Grep
21st
Pascal’s Triangle
1st
4th8th
Pernicious Numbers
40th
Prime Numbers
10th
12th118th
7th
Prime Numbers (Long)
5th
8th54th
Quine
1st
1st1st51st4th1st95th1st
Reverse Polish Notation
4th
2nd26th5th
Rock-paper-scissors-Spock-lizard
6th
Roman to Arabic
11th
2nd
ROT13
4th
Rule 110
9th11th
3rd48th
Time Distance
6th
Tongue-twisters
12th
12th68th
United States
5th
Vampire Numbers
27th
π
53rd
32nd207th
τ
43rd