12 Days of Christmas
7th
24 Game
5th
99 Bottles of Beer
19th
Abundant Numbers
3rd
Abundant Numbers (Long)
2nd
Arabic to Roman
8th
Arithmetic Numbers
1st
Arrows
5th
ASCII Table
2nd
brainfuck
6th
Card Number Validation
8th
Catalan Numbers
1st
Catalan’s Constant
7th
Christmas Trees
9th
Collatz
1st
CSS Colors
7th
Cubes
13th
Day of Week
1st
DFA Simulator
1st
Diamonds
9th
Divisors
1st
Emirp Numbers
2nd
Emirp Numbers (Long)
9th
Emojify
9th
Evil Numbers
14th
Evil Numbers (Long)
13th
Farey Sequence
1st
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
5th
Forsyth–Edwards Notation
1st
Fractions
15th
Game of Life
4th
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
2nd
Intersection
3rd
Inventory Sequence
1st
ISBN
5th
Jacobi Symbol
12th
Kolakoski Constant
2nd
Kolakoski Sequence
1st
Leap Years
1st
Levenshtein Distance
2nd
Leyland Numbers
7th
ln 2
1st
Look and Say
1st
Lucky Numbers
2nd
Mahjong
3rd
Maze
3rd
Medal Tally
2nd
Morse Decoder
7th
Morse Encoder
10th
Musical Chords
3rd
N Queens
7th
Niven Numbers
1st
Niven Numbers (Long)
1st
Number Spiral
2nd
Odious Numbers
11th
Odious Numbers (Long)
11th
Ordinal Numbers
1st
PalindromemordnilaP
9th
Pangram Grep
10th
Pascal’s Triangle
2nd
Pernicious Numbers
1st
Pernicious Numbers (Long)
6th
Poker
7th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
8th
QR Decoder
6th
Quine
1st
Recamán
1st
Repeating Decimals
2nd
Reverse Polish Notation
9th
Reversi
6th
Rijndael S-box
3rd
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
3rd
Rule 110
23rd
Seven Segment
2nd
SI Units
3rd
Sierpiński Triangle
10th
Smith Numbers
1st
Spelling Numbers
6th
Star Wars Opening Crawl
4th
Sudoku
3rd
Sudoku (Fill-in)
5th
Ten-pin Bowling
7th
Time Distance
4th
Tongue-twisters
5th
Transpose Sentence
3rd
United States
3rd
Vampire Numbers
4th
Van Eck Sequence
1st
Zeckendorf Representation
2nd
Zodiac Signs
3rd
λ
12th
π
9th
τ
9th
φ
1st
√2
1st
𝑒
1st