12 Days of Christmas
7th
99 Bottles of Beer
4th
Abundant Numbers
6th
39th
Abundant Numbers (Long)
1st
Arabic to Roman
13th
Arithmetic Numbers
5th
14th
3rd
ASCII Table
10th
Billiards
2nd
brainfuck
6th
3rd
Card Number Validation
3rd
Catalan Numbers
12th
Christmas Trees
26th
18th
64th
Collatz
2nd
CSS Colors
1st
Cubes
9th
Day of Week
1st
Diamonds
8th
11th
23rd
Divisors
15th
1st
44th
Emirp Numbers
35th
9th
6th
Emirp Numbers (Long)
7th
Emojify
6th
Evil Numbers
28th
1st
1st
21st
Evil Numbers (Long)
22nd
4th
41st
24th
Factorial Factorisation
7th
Farey Sequence
12th
4th
Fibonacci
1st
9th50th3rd43rd1st
18th35th
25th1st16th1st4th1st84th7th8th
Fizz Buzz
29th1st
12th
212th
Foo Fizz Buzz Bar
14th
Fractions
11th
1st
Game of Life
3rd
Happy Numbers
15th
41st
Happy Numbers (Long)
2nd
25th
Hexdump
13th
Intersection
4th
Inventory Sequence
5th
ISBN
3rd
Kaprekar Numbers
4th
Kolakoski Constant
5th
Kolakoski Sequence
1st
Leap Years
8th
1st
4th
16th
4th
Levenshtein Distance
7th
48th
Leyland Numbers
15th
37th
Look and Say
11th
Mandelbrot
1st
Maze
7th
Medal Tally
2nd
Niven Numbers
14th
46th
21st
1st
13th
Niven Numbers (Long)
17th
15th
1st
Number Spiral
11th
2nd
Odious Numbers
25th
1st
1st
19th
Odious Numbers (Long)
21st
4th
1st
21st
Ordinal Numbers
11th
PalindromemordnilaP
4th
Pangram Grep
6th
Partition Numbers
11th
Pascal’s Triangle
1st
3rd
Pernicious Numbers
21st
42nd
31st
20th
21st45th
1st
1st
21st
Prime Numbers
1st
64th
Prime Numbers (Long)
13th
73rd
Quine
1st1st
1st
1st
1st
73rd
1st
Recamán
6th
Reverse Polish Notation
1st
13th
ROT13
6th
Seven Segment
7th
Sierpiński Triangle
14th
38th
Smith Numbers
5th
Spelling Numbers
52nd
5th
Tic-tac-toe
5th
Tongue-twisters
10th
Tower of Hanoi
7th
Transpose Sentence
3rd
Vampire Numbers
1st
3rd
35th
Van Eck Sequence
1st
π
7th
√2
10th
𝑒
9th
2nd