12 Days of Christmas
7th
99 Bottles of Beer
6th
Abundant Numbers
11th
Abundant Numbers (Long)
8th
Arabic to Roman
15th
Arrows
6th
Ascending Primes
8th
ASCII Table
8th
brainfuck
6th
Catalan Numbers
10th
Catalan’s Constant
8th
Christmas Trees
9th
Collatz
9th
CSS Colors
12th
Cubes
3rd
Day of Week
12th
Diamonds
7th
Divisors
14th
Emirp Numbers
18th
Emirp Numbers (Long)
13th
Emojify
6th
Evil Numbers
13th
Evil Numbers (Long)
8th
Fibonacci
16th
Fizz Buzz
16th
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
5th
Fractions
13th
Happy Numbers
15th
Hexdump
6th
Intersection
9th
ISBN
9th
Jacobi Symbol
8th
Leap Years
18th
Levenshtein Distance
1st
Leyland Numbers
10th
Look and Say
7th
Niven Numbers
13th
Niven Numbers (Long)
16th
Number Spiral
7th
Odious Numbers
13th
Odious Numbers (Long)
8th
Ordinal Numbers
8th
Pangram Grep
11th
Pascal’s Triangle
12th
Pernicious Numbers
10th
Pernicious Numbers (Long)
10th
Prime Numbers
1st
Prime Numbers (Long)
1st
Repeating Decimals
4th
Reverse Polish Notation
1st
Rijndael S-box
5th
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
1st
Seven Segment
4th
SI Units
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Smith Numbers
7th
Tongue-twisters
6th
United States
6th