12 Days of Christmas
1st
8th
99 Bottles of Beer
💎
8th
Abundant Numbers
11th
4th
Abundant Numbers (Long)
10th
1st
Arabic to Roman
3rd
8th
Arrows
ASCII Table
3rd
brainfuck
8th
Catalan Numbers
6th
1st
5th
Catalan’s Constant
7th
5th
Christmas Trees
3rd
Collatz
7th
1st3rd95th
CSS Colors
4th
Cubes
2nd
Day of Week
2nd
Diamonds
5th
6th122nd
Divisors
1st
1st
1st111th1st
Emirp Numbers
15th
9th4th
5th
Emirp Numbers (Long)
7th
1st
Emojify
Evil Numbers
9th
23rd
1st
1st
8th
Evil Numbers (Long)
1st
1st
4th
Fibonacci
37th221st
18th11th
118th7th
1st173rd120th
Fizz Buzz
10th
94th
6th
8th202nd144th
Foo Fizz Buzz Bar
6th
8th
10th123rd
Fractions
4th
1st
Game of Life
4th
8th
Happy Numbers
14th7th
11th
4th
5th
Happy Numbers (Long)
7th2nd
1st
1st
Intersection
21st7th
1st
2nd2nd3rd
Inventory Sequence
1st
1st
ISBN
4th
1st
Jacobi Symbol
5th
Kolakoski Constant
5th
3rd
Kolakoski Sequence
6th
1st
9th
Leap Years
53rd
13th
34th
10th83rd
Levenshtein Distance
4th
4th
Leyland Numbers
6th
3rd
3rd
8th
Look and Say
1st
Lucky Numbers
3rd
3rd
Lucky Tickets
5th
1st
Maze
2nd
2nd
Morse Decoder
Morse Encoder
3rd
3rd
Musical Chords
2nd
4th
Niven Numbers
3rd
5th
1st
Niven Numbers (Long)
1st
18th
Number Spiral
1st
1st70th
Odious Numbers
22nd
1st
1st
1st
Odious Numbers (Long)
1st
1st
16th
Ordinal Numbers
6th
4th
7th118th
Pangram Grep
7th85th
Partition Numbers
4th
Pascal’s Triangle
33rd
1st
1st
Pernicious Numbers
13th
1st
1st136th
Pernicious Numbers (Long)
13th
1st
9th43rd
Poker
4th
3rd
Polyominoes
29th2nd
Prime Numbers
1st
1st
1st
1st74th21st
Prime Numbers (Long)
1st
1st
1st
QR Decoder
2nd
3rd
Quine
1st
20th
67th
Recamán
3rd
2nd
5th
Repeating Decimals
2nd
3rd
Reverse Polish Notation
1st
1st
1st
Rock-paper-scissors-Spock-lizard
Roman to Arabic
6th
1st
Rule 110
4th
Seven Segment
💎
3rd
Sierpiński Triangle
5th
Smith Numbers
5th
4th82nd
Spelling Numbers
2nd
3rd
Star Wars Opening Crawl
4th
4th
Sudoku
3rd
3rd
Sudoku (Fill-in)
4th
3rd
Ten-pin Bowling
3rd
3rd
Time Distance
5th
Tongue-twisters
5th
9th
Transpose Sentence
1st
1st
1st
3rd
United States
Vampire Numbers
3rd
3rd
Van Eck Sequence
6th
7th
λ
7th
4th
π
3rd
5th
τ
3rd
5th
φ
1st
3rd
√2
3rd
3rd
𝑒
1st
8th