12 Days of Christmas
8th
99 Bottles of Beer
9th
Abundant Numbers
1st33rd24th8th55th20th
Arabic to Roman
6th
Arrows
brainfuck
5th
Christmas Trees
CSS Colors
4th
Cubes
7th
Diamonds
3rd
Divisors
1st18th27th10th94th30th
Emirp Numbers
6th
Emojify
Evil Numbers
1st31st15th1st18th16th
Fibonacci
9th18th23rd15th80th3rd
Fizz Buzz
5th
Fractions
6th
Happy Numbers
7th
Happy Numbers (Long)
1st
Intersection
7th
Kolakoski Constant
6th9th
Kolakoski Sequence
7th21st15th8th
Leap Years
6th33rd28th13th83rd31st
Levenshtein Distance
4th
Leyland Numbers
7th
Look and Say
Lucky Tickets
3rd
Morse Decoder
5th
Morse Encoder
6th
Niven Numbers
1st34th20th12th24th6th
Odious Numbers
1st27th23rd6th21st15th
Ordinal Numbers
3rd
Pangram Grep
1st
Pascal’s Triangle
6th25th9th41st30th20th
Pernicious Numbers
10th32nd21st17th25th23rd
Poker
4th
Prime Numbers
2nd39th16th10th
QR Decoder
4th
Quine
3rd
Recamán
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
6th
Rule 110
4th
Seven Segment
6th
Sierpiński Triangle
2nd11th8th3rd10th7th
Spelling Numbers
5th
Star Wars Opening Crawl
4th
Sudoku
4th
Sudoku (Fill-in)
4th
Ten-pin Bowling
4th
Tongue-twisters
9th
United States
6th
Vampire Numbers
6th
Van Eck Sequence
5th
λ
7th6th16th
π
3rd11th45th3rd9th5th
τ
3rd10th49th3rd6th5th
φ
7th22nd1st3rd7th5th
√2
𝑒
3rd10th46th4th7th5th