12 Days of Christmas
21st
63rd
3rd
33rd2nd
862nd
13th
24 Game
6th
2nd
5th
99 Bottles of Beer
20th
8th
4th
Abundant Numbers
10th
4th
41st4th
Abundant Numbers (Long)
5th
4th
3rd
Arabic to Roman
38th
4th
Arithmetic Numbers
4th
21st
2nd
5th
21st
Arrows
Ascending Primes
3rd
2nd
6th
ASCII Table
4th
29th
3rd
3rd
190th
brainfuck
3rd
Catalan Numbers
3rd
4th
2nd
208th
Catalan’s Constant
3rd
2nd
2nd
Christmas Trees
3rd
64th
26th
7th
14th2nd
166th
Collatz
5th
42nd
19th
3rd
1st
27th
CSS Colors
27th
1st
83rd
Cubes
4th
10th
2nd
2nd
22nd
Day of Week
37th
3rd
7th
91st166th
DFA Simulator
13th
16th
3rd
22nd
Diamonds
3rd
26th
5th
3rd
98th
Divisors
20th
30th
10th
1st
1st
Emirp Numbers
10th
31st
2nd
7th
188th
Emirp Numbers (Long)
3rd
23rd
2nd
4th
110th
Emojify
4th
Evil Numbers
18th
4th
11th
350th
Evil Numbers (Long)
5th
4th
10th
150th
Factorial Factorisation
5th
3rd
5th
137th
Farey Sequence
8th
68th
Fibonacci
18th277th157th
124th8th166th524th45th1st21st51st118th
154th
180th
Fizz Buzz
101st
76th
41st
1,451st
Foo Fizz Buzz Bar
9th
5th
11th
Forsyth–Edwards Notation
1st
37th
Fractions
33rd
3rd
141st
Game of Life
3rd
Gijswijt’s Sequence
3rd
2nd
12th
Happy Numbers
10th
3rd
8th
Happy Numbers (Long)
4th
3rd
7th
253rd
Hexdump
2nd
Intersection
4th
Inventory Sequence
7th
2nd
6th
106th
ISBN
3rd
4th
114th
Jacobi Symbol
5th
85th
Kolakoski Constant
3rd
2nd
2nd
Kolakoski Sequence
12th
3rd
8th
231st
Leap Years
11th
17th
3rd
40th14th
44th
Levenshtein Distance
9th
Leyland Numbers
2nd
2nd
4th
ln 2
3rd
2nd
3rd
Look and Say
4th
5th
8th
Lucky Numbers
3rd
2nd
4th
120th
Lucky Tickets
5th
Maze
3rd
Medal Tally
25th
3rd
46th
Morse Decoder
Morse Encoder
4th
Musical Chords
2nd
41st
N Queens
4th
28th
Niven Numbers
19th
32nd
3rd
29th1st
58th
Niven Numbers (Long)
4th
2nd
13th
249th
Number Spiral
8th
4th
5th
Odious Numbers
14th
4th
25th13th
255th
Odious Numbers (Long)
5th
4th
10th
89th
Ordinal Numbers
7th
5th
2nd
237th
Pangram Grep
1st
Pascal’s Triangle
11th
7th
1st
257th
Pernicious Numbers
13th
3rd
25th
287th
Pernicious Numbers (Long)
5th
3rd
10th
Poker
2nd
Polyominoes
6th
2nd
6th
Prime Numbers
18th
5th
1st
114th
Prime Numbers (Long)
4th
5th
10th
398th
Proximity Grid
3rd
QR Decoder
3rd
Quine
3rd
11th
56th
Recamán
3rd
3rd
4th
105th
Repeating Decimals
3rd
Reverse Polish Notation
2nd
121st
Reversi
4th
Rijndael S-box
13th
2nd
5th
Rock-paper-scissors-Spock-lizard
4th
Roman to Arabic
8th
63rd
Rule 110
20th
3rd
7th
Seven Segment
4th
SI Units
9th
2nd
💎
16th
Sierpiński Triangle
16th
3rd
4th
114th
Smith Numbers
3rd
3rd
4th
73rd
Spelling Numbers
85th
2nd
55th
Star Wars Opening Crawl
2nd
Sudoku
💎
Sudoku (Fill-in)
2nd
Ten-pin Bowling
4th
Time Distance
16th
💎
26th
Tongue-twisters
11th
2nd
4th
67th
Transpose Sentence
21st
4th
16th
United States
Vampire Numbers
2nd
2nd
2nd
117th
Van Eck Sequence
10th
3rd
3rd
179th
Zodiac Signs
2nd
41st
γ
3rd
2nd
3rd
λ
7th
2nd
2nd
42nd
π
13th8th124th43rd57th
3rd
181st93rd41st5th
18th
414th
37th76th
τ
7th
3rd
4th
φ
8th
3rd
3rd
77th
√2
8th
3rd
3rd
80th
𝑒
9th
4th
7th
30th