12 Days of Christmas
6th
5th
14th
5th
4th
24 Game
46th
99 Bottles of Beer
4th
9th
7th
7th
340th
2nd
Abundant Numbers
3rd
15th
3rd
43rd
4th
13th
354th
34th30th3rd
6th
Abundant Numbers (Long)
1st
14th
25th
1st
18th
14th
29th24th6th
7th
Arabic to Roman
1st
1st
1st
5th
3rd
109th
8th
12th
18th
1st
Arithmetic Numbers
7th
5th
21st
1st
7th
5th2nd
Arrows
6th
11th
6th
12th
3rd
Ascending Primes
5th
4th
10th
8th
1st
2nd
ASCII Table
5th
4th
5th
1st
6th
7th
6th
9th2nd
3rd
Billiards
2nd
4th
2nd
💎
2nd
2nd
brainfuck
4th
9th
6th
3rd
96th
10th
4th
138th
2nd
2nd
Card Number Validation
4th
2nd
3rd
5th
7th
💎9th24th
10th6th
4th2nd
3rd
Catalan Numbers
1st
9th1st
1st
7th
7th5th
2nd
1st
92nd
1st
1st
1st
Catalan’s Constant
1st
Christmas Trees
4th
7th
6th
10th
2nd
6th
Collatz
2nd
6th
12th
6th
6th
12th
20th
3rd1st
CSS Colors
5th
4th
5th
💎15th
1st
4th
2nd
Cubes
3rd
6th
4th
6th
4th
Day of Week
1st
1st29th4th3rd
10th5th4th1st
1st
1st1st1st
1st9th17th
9th67th
56th
18th
3rd
1st
DFA Simulator
4th
3rd
Diamonds
4th
5th
5th
13th
153rd
2nd
Divisors
5th
5th15th
6th
9th18th
1st
34th
14th
100th
38th1st1st
6th
Emirp Numbers
4th
3rd
3rd
8th12th
22nd
5th
2nd
Emirp Numbers (Long)
4th
10th
3rd
10th
5th
Emojify
3rd
3rd
3rd
💎
2nd
💎
3rd
Evil Numbers
3rd
1st11th
8th1st
29th
4th
34th
111th
24th1st
8th
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
34th
19th
1st
3rd
Fibonacci
21st44th12th
42nd38th50th18th4th13th1st40th1st22nd11th1st13th11th
18th1st
2nd28th1st21st38th23rd1st25th1st17th62nd42nd
1st
87th166th8th1st14th5th50th25th1st25th22nd
Fizz Buzz
11th15th
5th32nd16th
13th20th
15th15th
5th1st1st
8th12th
1st
31st182nd
3rd196th7th
6th
18th
Foo Fizz Buzz Bar
7th34th6th
10th
16th
6th
1st
110th
21st3rd
Forsyth–Edwards Notation
3rd
4th
6th
💎12th
5th
7th
2nd
💎
Fractions
1st
1st7th
7th
9th
1st
1st
12th
50th
1st
2nd
4th
Game of Life
4th
5th
3rd
6th
💎
5th
3rd
3rd
Gijswijt’s Sequence
5th
2nd
82nd
💎
Happy Numbers
4th
3rd4th
15th7th
7th
10th2nd
2nd
Happy Numbers (Long)
3rd
4th
17th7th
6th
11th
7th
107th
36th
1st
Hexdump
2nd
3rd
2nd
5th
2nd
3rd
Intersection
3rd
4th
5th
3rd
6th8th
12th
180th
3rd
1st
Inventory Sequence
4th
6th
5th
10th2nd
ISBN
4th
1st
9th
2nd
12th
2nd
4th
Jacobi Symbol
3rd
1st
2nd
3rd
Kaprekar Numbers
13th
3rd
5th
Kolakoski Constant
79th
2nd
Kolakoski Sequence
2nd
15th
6th
87th
3rd
Leap Years
102nd
2nd
11th26th
1st
10th42nd62nd
39th
25th
395th
82nd
6th
Levenshtein Distance
3rd
4th1st
1st
💎
25th
1st
11th30th
14th5th2nd
7th
1st5th
Leyland Numbers
5th
4th
💎8th
153rd
💎
2nd
ln 2
2nd
1st
4th
5th
1st
30th
22nd
3rd
Look and Say
1st
6th
8th
💎
111th
4th3rd
Lucky Numbers
💎
5th
22nd
5th
157th
2nd
Lucky Tickets
3rd
83rd
5th
Mahjong
2nd
41st
Maze
7th
3rd
6th
4th
Medal Tally
4th
4th
3rd
6th
2nd
2nd
Morse Decoder
3rd
2nd
💎
4th
5th
4th2nd
💎
💎
Morse Encoder
4th
4th
💎
6th
3rd
💎
Musical Chords
6th
N Queens
2nd
3rd
💎
6th
💎
3rd
2nd
💎
Niven Numbers
2nd
3rd
3rd
4th
180th
3rd
17th
Niven Numbers (Long)
💎
8th
1st
1st
20th
2nd
Number Spiral
20th
8th
7th
5th
6th
15th
84th
4th
Odious Numbers
3rd
1st
3rd
3rd
51st
35th1st
8th
12th
Odious Numbers (Long)
1st
1st
1st
5th
25th
20th1st
10th
Ordinal Numbers
3rd
3rd
17th
💎
10th8th
13th
19th💎
1st
PalindromemordnilaP
3rd
4th
💎
12th
8th
1st
Pangram Grep
48th
3rd
8th9th
4th
3rd
2nd15th10th
1st
4th
213th
46th39th
4th
9th19th
6th
Partition Numbers
💎
6th
5th
5th
💎5th12th
3rd4th
6th6th
2nd
3rd
Pascal’s Triangle
1st
6th
7th12th
2nd
85th
17th
13th
127th
1st
7th
Pernicious Numbers
10th
10th
16th3rd
34th
18th
29th
4th
Pernicious Numbers (Long)
2nd
1st
6th
14th
4th
Poker
3rd
💎
3rd
🦄
Polyominoes
💎
47th
Prime Numbers
3rd
8th
5th1st3rd
7th
1st21st
27th
37th
43rd
1st2nd
6th
Prime Numbers (Long)
1st
6th
1st
15th
1st
2nd
Proximity Grid
2nd6th
5th
3rd
💎
QR Decoder
5th
Quine
1st22nd1st
2nd194th102nd45th
1st
1st
22nd
7th1st3rd
1st
64th1st1st179th1st
10th1st
1st1st
32nd
56th27th
68th102nd1st5th1st
12th
Recamán
2nd
9th
7th
5th14th
12th
11th
153rd
5th3rd
Repeating Decimals
3rd
Reverse Polish Notation
3rd
3rd
3rd
1st
6th1st
💎7th
6th7th
4th
30th3rd2nd
2nd
Reversi
6th
💎
7th
Rijndael S-box
5th
2nd
3rd
💎
2nd
Rock-paper-scissors-Spock-lizard
3rd
6th
9th
💎11th
💎
💎
Roman to Arabic
3rd
💎
1st
16th
6th
💎
ROT13
3rd
2nd
3rd
5th
💎
1st
8th
45th
12th
2nd8th3rd
Rule 110
2nd
2nd
5th
💎
10th
8th
38th
4th2nd
Set
3rd
2nd
2nd
💎
🦄
3rd2nd
Seven Segment
4th
13th
2nd
13th
2nd
SI Units
3rd
2nd3rd💎
💎
💎
💎💎
💎3rd
💎
4th💎
💎
Sierpiński Triangle
56th
4th
17th
6th
26th
121st
2nd
Smith Numbers
3rd
10th
5th
4th
Spelling Numbers
4th
1st
2nd
6th
1st
Star Wars Opening Crawl
2nd
3rd
💎
103rd
Sudoku
2nd
Ten-pin Bowling
6th
2nd
2nd
Tic-tac-toe
1st
2nd
3rd
7th
💎
💎
8th
2nd
Time Distance
4th
2nd
4th
4th
3rd
Tongue-twisters
5th
4th
3rd
9th
3rd
3rd
Transpose Sentence
7th
5th
9th
4th
3rd
2nd
United States
3rd
4th
4th
💎
19th
5th
💎
Vampire Numbers
5th
3rd
84th
4th
Van Eck Sequence
2nd
6th
5th
174th
3rd
Zeckendorf Representation
5th
7th
2nd
3rd
Zodiac Signs
3rd
7th
3rd
2nd
γ
40th
λ
4th
6th
5th
37th
4th
π
1st
27th41st
43rd
28th
💎
τ
1st
21st36th
48th
💎
φ
1st
1st
7th
8th
6th
38th
82nd
1st
√2
1st16th1st
6th
1st
1st
1st1st
1st
1st
8th
𝑒
1st
1st
3rd
12th
43rd
74th
1st