12 Days of Christmas
💎
1st
26th
4th
1st
24 Game
39th
99 Bottles of Beer
💎
9th
7th
7th
305th
💎
Abundant Numbers
2nd
15th
11th
43rd
2nd
13th
321st
34th30th4th
Abundant Numbers (Long)
1st
13th
25th
1st
17th
14th
29th23rd6th
Arabic to Roman
1st
1st
1st
4th
104th
12th
18th
1st
Arithmetic Numbers
6th
5th
21st
1st
7th
5th2nd
Arrows
6th
10th
6th
9th
Ascending Primes
4th
4th
10th
8th
1st
💎
ASCII Table
7th
4th
8th
7th
2nd
Billiards
2nd
4th
2nd
💎
1st
2nd
brainfuck
3rd
9th
6th
3rd
78th
11th
4th
110th
💎
Card Number Validation
3rd
1st
3rd
5th
7th
💎9th
10th6th
3rd💎
Catalan Numbers
1st
9th1st
1st
13th
3rd5th
2nd
1st
90th
1st
1st
1st
Catalan’s Constant
40th
Christmas Trees
4th
7th
7th
10th
💎
Collatz
2nd
6th
12th
5th
6th
11th
20th
3rd1st
CSS Colors
4th
4th
6th
💎9th
1st
3rd
💎
Cubes
3rd
6th
3rd
6th
3rd
Day of Week
1st
1st24th4th3rd
10th1st4th1st
1st
1st1st1st
1st9th17th
9th66th
1st
18th
1st
1st
DFA Simulator
4th
3rd
Diamonds
2nd
5th
5th
13th
132nd
2nd
Divisors
5th
5th15th
6th
8th18th
1st
34th
14th
1st
38th1st1st
6th
Emirp Numbers
1st
12th
1st
7th12th
21st
💎
Emirp Numbers (Long)
3rd
10th
3rd
10th
4th
Emojify
2nd
4th
4th
💎
💎
💎
3rd
Evil Numbers
1st
1st11th
8th1st
29th
1st
34th
109th
37th1st
11th
Evil Numbers (Long)
1st
1st10th
1st
22nd
5th
17th
32nd
16th1st
11th
Factorial Factorisation
2nd
4th
7th
4th
4th
Farey Sequence
💎
3rd
7th
💎
10th
24th
20th
1st
1st
Fibonacci
21st42nd12th
8th38th49th18th4th3rd1st39th1st21st10th9th13th
1st1st
2nd28th1st21st38th22nd1st24th18th22nd61st42nd
1st
36th164th8th1st
5th49th24th1st25th22nd
Fizz Buzz
11th15th
4th24th16th
13th19th
14th12th
5th1st1st
7th11th
1st
30th51st
1st195th6th
7th
18th
Foo Fizz Buzz Bar
6th25th6th
10th
16th
6th
1st
1st
21st3rd
Forsyth–Edwards Notation
💎
4th
5th
3rd
5th
7th
2nd
1st
Fractions
1st
1st7th
7th
9th
1st
1st
11th
1st
1st
2nd
6th
Game of Life
4th
4th
4th
6th
💎
5th
2nd
Gijswijt’s Sequence
4th
2nd
73rd
3rd
Happy Numbers
1st
10th
14th
8th
💎
7th
Happy Numbers (Long)
2nd
4th
17th
6th
11th
7th
87th
34th
1st
Hexdump
💎
💎
4th
5th
💎
Intersection
💎
3rd
5th
3rd
6th
12th
162nd
💎
1st
Inventory Sequence
3rd
6th
5th
9th2nd
ISBN
1st
1st
9th
2nd
12th
💎
4th
Jacobi Symbol
💎
1st
2nd
2nd
Kaprekar Numbers
13th
2nd
4th
Kolakoski Constant
72nd
2nd
Kolakoski Sequence
2nd
15th
6th
66th
3rd
Leap Years
99th
2nd
11th26th
1st
10th40th62nd
39th
25th
81st
6th
Levenshtein Distance
2nd
3rd1st
1st
💎
18th
1st
11th27th
1st4th💎
7th
1st5th
Leyland Numbers
4th
4th
💎9th
128th
💎
3rd
ln 2
2nd
1st
4th
4th
1st
21st
2nd
Look and Say
1st
6th
8th
💎
80th
3rd3rd
Lucky Numbers
💎
5th
21st
5th
144th
2nd
Lucky Tickets
3rd
66th
4th
Mahjong
2nd
35th
Maze
7th
3rd
6th
3rd
Medal Tally
3rd
3rd
3rd
6th
💎
2nd
Morse Decoder
💎
2nd
💎
3rd
5th
4th💎
💎
Morse Encoder
4th
💎
5th
1st
Musical Chords
6th
N Queens
💎
💎
6th
💎
2nd
Niven Numbers
1st
1st
1st
4th
178th
6th
Niven Numbers (Long)
1st
7th
1st
1st
20th
2nd
Number Spiral
20th
7th
5th
5th
6th
14th
72nd
3rd
Odious Numbers
1st
1st
1st
1st
51st
35th1st
11th
Odious Numbers (Long)
1st
1st
1st
5th
25th
20th1st
10th
Ordinal Numbers
2nd
3rd
17th
💎
9th
13th
19th💎
1st
PalindromemordnilaP
2nd
4th
💎
11th
8th
💎
Pangram Grep
48th
2nd
8th8th
4th
3rd
2nd15th10th
1st
4th
184th
46th38th
4th
9th18th
6th
Pascal’s Triangle
1st
6th
7th12th
1st
84th
17th
13th
105th
1st
7th
Pernicious Numbers
9th
16th
16th1st
34th
17th
29th
5th
Pernicious Numbers (Long)
2nd
1st
6th
14th
4th
Poker
2nd
💎
3rd
🦄
Polyominoes
💎
42nd
Prime Numbers
1st
8th
3rd1st
1st
1st21st
27th
36th
42nd
1st2nd
5th
Prime Numbers (Long)
1st
6th
1st
15th
1st
2nd
Proximity Grid
2nd6th
5th
3rd
💎
QR Decoder
5th
Quine
1st22nd1st
2nd191st101st45th
1st
1st
3rd
1st
63rd1st1st179th1st
10th1st
1st
32nd
56th26th
68th99th1st5th1st
12th
Recamán
2nd
9th
7th
5th14th
12th
11th
124th
5th3rd
Repeating Decimals
3rd
Reverse Polish Notation
1st
3rd
3rd
1st
6th1st
💎7th
6th7th
4th
28th3rd💎
2nd
Reversi
5th
💎
7th
Rijndael S-box
2nd
3rd
💎
💎
Rock-paper-scissors-Spock-lizard
2nd
6th
6th
💎11th
💎
💎
Roman to Arabic
💎
💎
1st
16th
6th
💎
ROT13
3rd
2nd
3rd
5th
💎
1st
8th
29th
12th
💎
Rule 110
💎
2nd
5th
💎
9th
8th
30th
4th1st
Seven Segment
2nd
13th
2nd
13th
💎
SI Units
💎
💎3rd💎
💎
💎
💎💎
💎💎
💎
4th💎
💎
Sierpiński Triangle
56th
4th
17th
6th
26th
105th
2nd
Smith Numbers
2nd
10th
5th
4th
Spelling Numbers
1st
1st
2nd
6th
1st
Star Wars Opening Crawl
💎
98th
Sudoku
2nd
Ten-pin Bowling
6th
2nd
Tic-tac-toe
1st
2nd
3rd
6th
💎
💎
8th
💎
Time Distance
2nd
2nd
4th
4th
3rd
Tongue-twisters
💎
💎
3rd
8th
💎
2nd
Transpose Sentence
7th
5th
9th
4th
3rd
💎
United States
💎
4th
💎
3rd
5th
💎
Vampire Numbers
4th
3rd
70th
2nd
Van Eck Sequence
2nd
6th
5th
158th
3rd
Zeckendorf Representation
4th
7th
2nd
3rd
Zodiac Signs
💎
7th
3rd
2nd
γ
40th
λ
2nd
3rd
22nd
2nd
π
1st
23rd40th
44th
24th
💎
τ
1st
20th35th
49th
💎
φ
1st
1st
7th
4th
7th
48th
75th
1st
√2
1st1st1st
6th
1st
1st
53rd1st
1st
1st
𝑒
4th
1st
3rd
12th
43rd
68th
1st