12 Days of Christmas
6th
17th
11th
7th
16th15th
4th
8th
4th
7th
57th
2nd
6th4th
3rd
24 Game
12th
31st
99 Bottles of Beer
101st
59th
9th
9th
2nd
2nd
31st
2nd
3rd
Abundant Numbers
6th
33rd
17th12th
17th
6th
15th
13th
30th
45th
1st
12th
6th
11th
Abundant Numbers (Long)
6th
27th
6th
13th
76th
1st
Arabic to Roman
1st
4th1st
1st
7th1st
1st
4th
Arithmetic Numbers
7th
5th
32nd
23rd
28th
9th
6th
5th
5th
55th
2nd
Arrows
21st
55th
Ascending Primes
14th
5th
8th
23rd
ASCII Table
13th
9th5th
9th
5th
11th
9th
15th
5th
3rd
6th
Billiards
2nd
6th
4th
5th
3rd
3rd
12th
2nd
brainfuck
3rd
8th
8th
💎
5th
17th
💎
💎
Card Number Validation
4th
5th
42nd
Catalan Numbers
1st
💎
13th
16th
4th
10th
7th
3rd
7th
1st
2nd
3rd
3rd
4th
Catalan’s Constant
28th
5th
4th
132nd
3rd
Christmas Trees
3rd
6th
2nd
9th
13th
1st
Collatz
7th
1st
9th
13th
13th
8th
5th
25th
1st
11th
89th
1st
5th
15th
CSS Colors
12th
12th
43rd
2nd
Cubes
5th
14th
7th
7th
45th
6th
Day of Week
14th
1st
13th
9th
1st
1st
2nd1st1st
11th
4th
1st
2nd
DFA Simulator
💎
9th
7th
21st
3rd
4th
45th
Diamonds
5th
41st
9th
8th
77th
Divisors
13th
7th
44th
25th
5th
1st
15th
28th
1st
2nd
7th
Emirp Numbers
20th14th
14th
3rd
10th
3rd
Emirp Numbers (Long)
20th
6th
48th
Emojify
21st
102nd
2nd
11th
Evil Numbers
14th
20th8th
13th
1st
20th
10th
37th
1st
5th
11th1st
Evil Numbers (Long)
16th
8th
6th
9th
7th
33rd
32nd
4th
20th
Factorial Factorisation
10th
15th
9th
3rd
4th
6th
38th
2nd
Farey Sequence
7th
9th
13th
10th
18th
5th
4th
6th
29th
1st
Fibonacci
36th21st
12th
42nd
1st
11th13th16th
19th1st
1st
6th
1st
1st
1st6th
1st1st
1st
12th
2nd
11th
Fizz Buzz
16th
15th
290th
7th
11th
1st
15th
32nd
1st
16th
1st
9th
18th
Foo Fizz Buzz Bar
9th
12th
22nd
8th
5th
18th
1st
14th
1st
Forsyth–Edwards Notation
13th
21st
6th
61st
14th
Fractions
3rd
8th
9th
12th
1st6th
6th
1st
8th
1st
4th1st
2nd
8th
Game of Life
13th
9th
20th
3rd
9th
50th
Gijswijt’s Sequence
5th
82nd
2nd
Happy Numbers
3rd
19th23rd
1st59th3rd
13th
5th
37th
14th
14th
Happy Numbers (Long)
1st
31st
11th
6th
6th
3rd
10th
1st
12th
9th
Hexdump
3rd
7th
20th
4th
5th
3rd
5th
55th
1st
2nd
Intersection
💎
7th
10th
3rd
3rd
19th
2nd
Inventory Sequence
4th
19th
15th
5th
5th
1st
5th
1st
8th
5th
ISBN
5th
11th
6th
24th
15th
Jacobi Symbol
3rd
13th
20th
6th
2nd
6th
52nd
3rd
Kaprekar Numbers
6th
64th
2nd
Kolakoski Constant
10th16th
5th
4th
47th
3rd
4th
4th
Kolakoski Sequence
9th
8th10th
4th
8th
6th
33rd
3rd
13th
3rd
9th
Leap Years
8th12th
11th
49th
24th
20th
10th
4th
11th
12th
17th
71st
3rd
6th
6th
11th
Levenshtein Distance
4th
💎
4th
4th
1st
1st9th
14th
2nd
2nd
💎
4th
3rd
1st
1st
💎14th
1st
4th
Leyland Numbers
9th
1st
7th
17th
1st
2nd
6th
6th
1st
3rd
3rd
3rd
3rd
ln 2
1st
8th
5th
1st
5th
Look and Say
1st
10th11th
4th
12th
5th
8th
24th
4th
7th
Lucky Numbers
16th
3rd54th9th
46th
4th
3rd
Lucky Tickets
21st
66th
Mahjong
14th
28th
Maze
2nd
10th
3rd
28th
Medal Tally
💎
7th
20th
3rd
5th
44th
Morse Decoder
11th
21st
Morse Encoder
9th
23rd
Musical Chords
6th
9th
N Queens
10th
5th
4th
59th
7th
3rd
Niven Numbers
17th
98th
1st28th
8th
30th
6th
18th
58th
13th
Niven Numbers (Long)
16th
16th
6th
28th
10th
19th
46th
Number Spiral
4th
24th
16th
3rd
3rd
1st
47th
4th
4th
Odious Numbers
15th24th23rd14th13th32nd161st98th69th18th18th1st9th39th36th23rd20th12th24th13th13th21st1st59th19th77th8th51st23rd77th282nd10th47th35th18th50th33rd11th30th51st72nd78th21st1st19th66th4th119th76th11th1st9th35th14th7th15th10th16th22nd
Odious Numbers (Long)
11th
9th
8th
6th
19th
8th
33rd
1st
3rd
Ordinal Numbers
4th
15th
7th
1st7th
2nd
6th
8th
3rd
3rd
4th14th
3rd
6th
PalindromemordnilaP
5th
8th
2nd
5th
8th
8th
51st
1st
Pangram Grep
3rd
19th
9th
1st
6th
13th
💎
3rd
12th
1st
1st
1st
1st
7th
Partition Numbers
19th
Pascal’s Triangle
7th
11th
6th
9th
24th
76th
15th
7th
Pernicious Numbers
22nd32nd
6th
77th
4th
Pernicious Numbers (Long)
29th
7th
6th
16th
70th
Poker
11th
23rd
Polyominoes
4th
6th
16th
Prime Numbers
10th10th
1st20th
1st
3rd
12th
1st
13th
1st
1st
5th
1st
7th
10th
Prime Numbers (Long)
8th9th
23rd
11th
12th
1st
7th
22nd
1st
12th
1st
1st
1st
14th
Proximity Grid
16th
3rd
32nd
3rd
QR Decoder
3rd
8th
Quine
1st5th1st
9th
9th
30th
7th1st
18th
3rd
1st
10th25th
28th1st
1st3rd
1st1st
4th1st
1st
💎
💎
Recamán
9th13th
10th
24th
6th
Repeating Decimals
19th
54th
Reverse Polish Notation
6th
3rd
8th
10th
3rd
1st
3rd
1st
4th
13th
3rd
4th
Reversi
27th
Rijndael S-box
14th33rd
7th
5th
2nd
8th
3rd
22nd
12th
2nd
Rock-paper-scissors-Spock-lizard
9th
14th
6th
Roman to Arabic
1st
1st
1st1st
ROT13
3rd
8th
7th
2nd4th
4th2nd💎
12th
5th
1st
1st
1st7th
8th
1st
Rule 110
16th
6th
8th
8th
34th
4th
2nd
Set
💎
💎
3rd
3rd
5th
💎
Seven Segment
💎
7th
2nd
4th
2nd
28th
2nd
SI Units
16th
40th
Sierpiński Triangle
9th
41st
16th
6th
28th114th6th
27th26th
45th
39th
Smith Numbers
6th
10th
9th
21st
70th
4th
2nd
Spelling Numbers
4th
1st1st
3rd
34th
1st
Star Wars Opening Crawl
💎
2nd
2nd
8th
12th
2nd
Sudoku
8th
17th
Sudoku (Fill-in)
10th
20th
Ten-pin Bowling
22nd
60th
Tic-tac-toe
2nd
3rd
3rd
Time Distance
21st
52nd
Tongue-twisters
6th
10th
6th
21st
6th
2nd
9th
Transpose Sentence
4th
8th
4th
5th
1st
1st
57th
1st
United States
29th
89th
2nd
Vampire Numbers
2nd
3rd5th
5th
5th
3rd
Van Eck Sequence
20th
15th
10th11th
4th
7th
14th
3rd
8th
Zeckendorf Representation
4th
11th
9th
13th
3rd
1st
4th
40th
4th
Zodiac Signs
8th
19th
5th
γ
22nd
4th
3rd
71st
3rd
4th
λ
12th
9th
27th31st
4th
15th
4th
125th
3rd
8th6th
π
14th
39th
7th
5th
410th
4th
5th
τ
12th
35th
7th
5th
237th
4th
5th
φ
13th
25th
8th
5th
93rd
5th
5th
√2
20th
16th
6th
5th
1st
5th
5th
𝑒
14th
46th
15th
8th
5th
1st30th
5th
5th