12 Days of Christmas
9th
99 Bottles of Beer
7th
Abundant Numbers
3rd
brainfuck
6th
Christmas Trees
25th7th7th
77th
CSS Colors
Cubes
6th
Day of Week
1st
Diamonds
4th
Divisors
17th
Emirp Numbers
1st
Evil Numbers
13th
Fibonacci
39th
Fizz Buzz
37th
Foo Fizz Buzz Bar
54th
Happy Numbers
1st
Leap Years
74th
Leyland Numbers
6th185th
Morse Decoder
8th
Morse Encoder
9th
Niven Numbers
28th
Odious Numbers
13th
Ordinal Numbers
12th
Pangram Grep
13th
Pascal’s Triangle
6th
Pernicious Numbers
31st
Prime Numbers
11th
Quine
12th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
15th
Seven Segment
6th
Sierpiński Triangle
17th
Spelling Numbers
4th
Sudoku
3rd
United States