12 Days of Christmas
1st
8th
99 Bottles of Beer
💎
9th
Abundant Numbers
11th
4th
Abundant Numbers (Long)
10th
1st
Arabic to Roman
3rd
9th
Arrows
ASCII Table
3rd
brainfuck
8th
Catalan Numbers
6th
1st
5th
Catalan’s Constant
7th
6th
Christmas Trees
3rd
Collatz
7th
1st3rd105th
CSS Colors
4th
Cubes
2nd
Day of Week
3rd
Diamonds
6th
6th135th
Divisors
1st
1st
1st123rd1st
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
37th238th
20th11th
123rd7th
1st194th130th
Fizz Buzz
11th
96th
7th
8th219th150th
Foo Fizz Buzz Bar
6th
9th
10th136th
Fractions
4th
1st
Game of Life
5th
9th
Happy Numbers
14th7th
12th
5th
5th
Happy Numbers (Long)
7th2nd
1st
2nd
Intersection
23rd7th
1st
2nd5th4th
Inventory Sequence
1st
1st
ISBN
4th
1st
Jacobi Symbol
7th
Kolakoski Constant
6th
3rd
Kolakoski Sequence
6th
1st
10th
Leap Years
62nd
16th
36th
12th96th
Levenshtein Distance
4th
4th
Leyland Numbers
8th
3rd
4th
9th
Look and Say
1st
Lucky Numbers
3rd
3rd
Lucky Tickets
6th
1st
Maze
2nd
2nd
Morse Decoder
Morse Encoder
3rd
4th
Musical Chords
2nd
4th
Niven Numbers
3rd
5th
1st
Niven Numbers (Long)
1st
19th
Number Spiral
2nd
1st81st
Odious Numbers
22nd
1st
1st
1st
Odious Numbers (Long)
1st
1st
17th
Ordinal Numbers
6th
4th
7th130th
Pangram Grep
7th94th
Partition Numbers
6th
Pascal’s Triangle
35th
1st
1st
Pernicious Numbers
14th
1st
1st157th
Pernicious Numbers (Long)
14th
1st
11th55th
Poker
4th
3rd
Polyominoes
38th4th
Prime Numbers
1st
1st
1st
1st92nd23rd
Prime Numbers (Long)
1st
1st
1st
QR Decoder
2nd
3rd
Quine
1st
21st
81st
Recamán
3rd
3rd
5th
Repeating Decimals
2nd
3rd
Reverse Polish Notation
3rd
1st
1st
Rock-paper-scissors-Spock-lizard
Roman to Arabic
6th
1st
Rule 110
4th
Seven Segment
💎
3rd
Sierpiński Triangle
5th
Smith Numbers
5th
5th94th
Spelling Numbers
2nd
3rd
Star Wars Opening Crawl
4th
5th
Sudoku
3rd
3rd
Sudoku (Fill-in)
4th
3rd
Ten-pin Bowling
3rd
3rd
Time Distance
6th
Tongue-twisters
5th
10th
Transpose Sentence
1st
1st
1st
4th
United States
Vampire Numbers
3rd
3rd
Van Eck Sequence
7th
7th
λ
7th
4th
π
3rd
5th
τ
3rd
6th
φ
1st
4th
√2
3rd
4th
𝑒
1st
9th