12 Days of Christmas
2nd
8th
99 Bottles of Beer
2nd
10th
Abundant Numbers
11th
4th
Abundant Numbers (Long)
10th
1st
Arabic to Roman
4th
9th
Arrows
ASCII Table
3rd
brainfuck
10th
Catalan Numbers
6th
1st
5th
Catalan’s Constant
8th
7th
Christmas Trees
3rd
Collatz
7th
2nd3rd106th
CSS Colors
5th
Cubes
3rd
Day of Week
4th
Diamonds
7th
7th139th
Divisors
1st
1st
1st124th1st
Emirp Numbers
15th
9th5th
5th
Emirp Numbers (Long)
7th
1st
Emojify
Evil Numbers
10th
23rd
1st
1st
8th
Evil Numbers (Long)
1st
1st
4th
Fibonacci
37th240th
21st12th
124th7th
1st197th134th
Fizz Buzz
11th
96th
8th
9th222nd150th
Foo Fizz Buzz Bar
6th
10th
11th139th
Fractions
5th
1st
Game of Life
5th
9th
Happy Numbers
14th7th
12th
5th
6th
Happy Numbers (Long)
7th2nd
1st
2nd
Intersection
23rd7th
1st
2nd5th4th
Inventory Sequence
1st
1st
ISBN
5th
1st
Jacobi Symbol
7th
Kolakoski Constant
7th
3rd
Kolakoski Sequence
6th
1st
11th
Leap Years
62nd
17th
37th
13th97th
Levenshtein Distance
5th
4th
Leyland Numbers
8th
3rd
6th
9th
Look and Say
1st
Lucky Numbers
4th
3rd
Lucky Tickets
6th
1st
Maze
3rd
2nd
Morse Decoder
Morse Encoder
4th
4th
Musical Chords
3rd
4th
Niven Numbers
4th
6th
1st
Niven Numbers (Long)
1st
22nd
Number Spiral
2nd
1st84th
Odious Numbers
22nd
1st
1st
1st
Odious Numbers (Long)
1st
1st
17th
Ordinal Numbers
6th
5th
7th133rd
Pangram Grep
7th97th
Partition Numbers
7th
Pascal’s Triangle
35th
1st
1st
Pernicious Numbers
14th
1st
1st158th
Pernicious Numbers (Long)
14th
1st
11th57th
Poker
5th
4th
Polyominoes
40th3rd
Prime Numbers
1st
1st
1st
1st93rd23rd
Prime Numbers (Long)
1st
1st
1st
QR Decoder
3rd
3rd
Quine
1st
21st
82nd
Recamán
3rd
3rd
5th
Repeating Decimals
3rd
4th
Reverse Polish Notation
3rd
1st
2nd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
7th
1st
Rule 110
4th
Seven Segment
💎
3rd
Sierpiński Triangle
5th
Smith Numbers
5th
5th96th
Spelling Numbers
3rd
4th
Star Wars Opening Crawl
6th
6th
Sudoku
4th
3rd
Sudoku (Fill-in)
5th
3rd
Ten-pin Bowling
4th
4th
Time Distance
7th
Tongue-twisters
7th
11th
Transpose Sentence
1st
1st
1st
5th
United States
Vampire Numbers
4th
3rd
Van Eck Sequence
8th
7th
λ
9th
6th
π
3rd
6th
τ
3rd
6th
φ
1st
5th
√2
3rd
5th
𝑒
1st
9th