12 Days of Christmas
23rd
π2nd
7th
π
24 Game
10th
3rd
5th
5th
99 Bottles of Beer
21st
π6th
20th
π
Abundant Numbers
15th100th18th
19th
20th
12th
10th
10th
4th5th
11th
11th
π
Abundant Numbers (Long)
10th
27th
15th
16th
6th
5th
π1st
5th
1st
2nd
Arabic to Roman
1st20th1st
2nd1st
23rd
π
Arithmetic Numbers
19th
19th
π2nd
2nd
π
Arrows
10th
8th
15th
3rdπ
19th
12th
π
Ascending Primes
20th
9th
1stπ
1st
8th
π
ASCII Table
19th24th11th
15th
ππ
1st
2nd
Billiards
37th
brainfuck
19th
6th
Card Number Validation
7th
19th
ππ
1st
8th
2nd
6th
Catalan Numbers
14th5th17th
4th
2nd
1st
1st
π
Catalanβs Constant
1st
4th2nd
1st
3rd
Christmas Trees
20th
18th
4th2nd
10th
3rd
Collatz
9th3rd5th
13th
7th
3rd1st
π1st
5th
69th
π20th
13th
CSS Colors
2nd
2nd
8th
4th
3rd16th
14th
1stππ
1st
8th
π
Cubes
π
13th
5th
Day of Week
22nd
1st
1st
1st
1st
1st
DFA Simulator
2nd
π
2nd
Diamonds
13th
π3rd
8th
π
Divisors
40th
27th
2nd
37th
3rd1st
1st
4th
1st
Emirp Numbers
8th
4th2nd
10th
2nd
Emirp Numbers (Long)
17th
3rdπ
12th
π
Emojify
1st
6th
5th
ππ
25th
1st
Evil Numbers
17th
29th
13th
7th
1st
9th
3rd1st
1st
23rd
2nd
Evil Numbers (Long)
7th
1st
12th
2nd1st
1st
13th
4th
Factorial Factorisation
18th
19th
ππ
46th
2nd
Farey Sequence
8th
4th
13th
1st
1st1st
1st
8th
3rd
Fibonacci
8th
3rd38th1st
5th
1st
18th
28th1st
15th6th1st28th1st9th
1st
7th
1st
11th
Fizz Buzz
26th
32nd56th18th
11th23rd
18th66th
1st1st
1st3rd87th
27th16th
42nd3rd
1st55th29th8th
Foo Fizz Buzz Bar
7th
4th
26th
48th
ππ
14th
π
ForsythβEdwards Notation
4th
π
5th
2nd
Fractions
8th
4th
20th
4thπ
1st
1st
3rd
Game of Life
10th
7th
2nd
π
1st
16th
π
Gijswijtβs Sequence
2nd
38th
π
4th
Happy Numbers
19th
14th
25th
23rd
3rd2nd
20th
10th
2nd
13th
Happy Numbers (Long)
9th
18th
4th1st
6th
17th
π
Hexdump
8th
π
9th
2nd
Intersection
10th
9th
29th
3rdπ
13th
1st
Inventory Sequence
10th
9th
17th
1st2nd
8th
14th
π
ISBN
23rd38th15th
22nd
17th46th
4thπ
5th
1st
Jacobi Symbol
11th
2nd
11th
3rd
Kaprekar Numbers
7th
2nd
15th
2nd
Kolakoski Constant
12th
9th
2nd2nd
93rd
7th1st
3rd
Kolakoski Sequence
18th
13th
16th
4th3rd
4th
11th
π
Leap Years
49th
24th
16th
13th
17th8th10th
30th
12th
43rd
5th
13th
Levenshtein Distance
3rd
2ndπ3rd
2nd7th10th1st1stπ
3rd
3rd1st
1st2nd1st7thππ
1st
1st10th
1st12th
π6th
π
Leyland Numbers
4th
2nd
22nd
11th
9th
6th
ππ
1st
4th
π
4th
ln 2
17th
1st
2nd2nd
1st
2nd
2nd
Look and Say
22nd
16th
4th2nd
24th
35th
2nd
Lucky Numbers
19th
4th
2nd
1st
π
Lucky Tickets
2nd
17th
Maze
7th
5th
3rd
1stπ
3rd
1st
Medal Tally
17th
π
12th
4th
Morse Decoder
2nd
50th
Morse Encoder
75th
Musical Chords
58th
N Queens
7th
5th
ππ
1st
3rd
Niven Numbers
11th
22nd9th14th
1st
1st
14th
1st1st
22nd1st2nd
1st
11th
2nd
1st
Niven Numbers (Long)
8th
13th25th7th
5th
3rd
11th
4th19th
4th5th
1st
1st
1st
4th
Number Spiral
18th8th10th
16th
8th
2nd2nd2nd
16th
π
3rd
Odious Numbers
29th
10th
7th
1st
8th
2nd1st
1st
19th
1st
Odious Numbers (Long)
7th
1st
12th
2nd1st
1st
10th
4th
Ordinal Numbers
26th
10th
23rd
π2nd
3rd
1st
PalindromemordnilaP
ππ
43rd
π
Pangram Grep
15th
10th
12th
π1st
1st
1st
Partition Numbers
37th
Pascalβs Triangle
11th
8th
16th
5th1st
15th
1st
Pernicious Numbers
34th1st21st
1st
1st
25th
1st35th
11th
1st1st1st1st
1st
5th
1st
1st
Pernicious Numbers (Long)
12th
10th
1st
23rd
3rd2nd
1st
5th
2nd
Poker
Polyominoes
6th
π
π
1st
5th
π
Prime Numbers
7th
15th
1st
8th
1st3rd
30th
1st
10th
1st
1st
Prime Numbers (Long)
6th
11th
1st
3rd
2nd1st
1st
1st
1st
Proximity Grid
11th
10th
3rd
2nd
3rd
2nd
Quine
1st5th1st2nd28th1st24th9th6th16th1st
13th
1st3rd1st
30th10th1st1st1st1st3rd1st
1st1st1st27th
1st4th
1st1st5th1st
5th
RecamΓ‘n
3rd1st1st
17th
5th
1stπ
15th
17th
π
7th
Repeating Decimals
2nd
49th
Reverse Polish Notation
17th
49th
72nd
ππ
4th
30th
π
Reversi
3rd
11th
π
π
Rijndael S-box
3rd8th
16th
2nd
Rock-paper-scissors-Spock-lizard
39th
3rd
Roman to Arabic
11th
7th
17th
π1st
1st
16th
2nd
ROT13
5th
5th
18th
ππ
1st
19th
π
Rule 110
11th
10th
10th
2nd
18th
π
Seven Segment
20th
4th
12th
3rd
SierpiΕski Triangle
27th
18th
7th
6th2nd
13th
3rd
Smith Numbers
8th9th3rd
16th
6th13th
7th2nd
6th
4th
20th
π
π
Spelling Numbers
7th
1st
2nd
14th
Star Wars Opening Crawl
17th
Sudoku
14th
14th
Sudoku (Fill-in)
25th
Ten-pin Bowling
2nd
15th
Tic-tac-toe
8th
19th
Time Distance
11th
17th
π
6th
Tongue-twisters
7th2nd
17th
2nd
Transpose Sentence
12th
π
2nd
π
United States
15th16th11th
19th
6th19th
2ndπ
8th
π
Vampire Numbers
17th
12th
16th
π
5th
1st
Van Eck Sequence
10th
6th
7th
ππ
1st
20th
1st
Zeckendorf Representation
13th
ππ
28th
3rd
Zodiac Signs
9th
6th
15th
1stπ
11th
π
Ξ³
20th12th
6th
1st
4thπ
1st
π
Ξ»
9th11th5th
4th2nd
45th
1st
2nd
Ο
23rd
12th
14th
1st
2nd2nd
8th
39th
2nd
3rd
Ο
17th
14th
1st
2nd2nd
6th
2nd
3rd
Ο
16th
17th
13th
1st
2nd2nd
1st
1st
2nd
4th
β2
13th
11th
16th
1st
2nd2nd
1st
42nd
2nd
2nd
π
15th
11th
15th
1st
ππ
1st
30th
2nd