12 Days of Christmas
💎
1st
14th
4th
1st
24 Game
39th
99 Bottles of Beer
💎
9th
7th
7th
307th
2nd
Abundant Numbers
2nd
15th
11th
43rd
2nd
13th
324th
34th30th3rd
5th
Abundant Numbers (Long)
1st
13th
25th
1st
18th
14th
29th24th6th
7th
Arabic to Roman
1st
1st
1st
5th
3rd
104th
5th
12th
18th
1st
Arithmetic Numbers
6th
5th
21st
1st
7th
5th2nd
Arrows
5th
10th
6th
11th
3rd
Ascending Primes
4th
4th
10th
8th
1st
2nd
ASCII Table
3rd
4th
5th
1st
6th
5th
6th
9th2nd
3rd
Billiards
2nd
4th
2nd
💎
2nd
2nd
brainfuck
2nd
9th
6th
3rd
79th
8th
4th
112th
💎
2nd
Card Number Validation
3rd
2nd
3rd
5th
7th
💎9th24th
10th6th
4th💎
3rd
Catalan Numbers
1st
9th1st
1st
7th
7th5th
2nd
1st
92nd
1st
1st
1st
Catalan’s Constant
1st
Christmas Trees
2nd
7th
6th
10th
2nd
6th
Collatz
2nd
6th
12th
5th
6th
12th
20th
3rd1st
CSS Colors
4th
4th
6th
💎9th
1st
3rd
💎
Cubes
3rd
6th
3rd
6th
4th
Day of Week
1st
1st24th4th3rd
10th1st4th1st
1st
1st1st1st
1st9th17th
9th67th
1st
18th
1st
1st
DFA Simulator
4th
3rd
Diamonds
2nd
5th
5th
13th
135th
2nd
Divisors
5th
5th15th
6th
9th18th
1st
34th
14th
1st
38th1st1st
6th
Emirp Numbers
1st
12th
1st
7th12th
21st
💎
3rd
Emirp Numbers (Long)
3rd
10th
3rd
10th
4th
Emojify
2nd
4th
4th
💎
💎
💎
3rd
Evil Numbers
1st
1st11th
8th1st
29th
1st
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
24th
19th
1st
3rd
Fibonacci
21st44th12th
8th38th50th18th4th3rd1st40th1st22nd10th1st13th11th
1st1st
2nd28th1st21st38th23rd1st25th1st17th62nd42nd
1st
37th166th8th1st13th5th50th25th1st25th22nd
Fizz Buzz
11th15th
4th25th16th
13th20th
15th13th
5th1st1st
8th12th
1st
31st52nd
1st196th7th
6th
18th
Foo Fizz Buzz Bar
6th25th6th
10th
16th
6th
1st
1st
21st3rd
Forsyth–Edwards Notation
💎
4th
5th
💎12th
5th
7th
2nd
💎
Fractions
1st
1st7th
7th
9th
1st
1st
12th
1st
1st
2nd
4th
Game of Life
3rd
5th
3rd
6th
💎
5th
2nd
3rd
Gijswijt’s Sequence
4th
2nd
74th
3rd
Happy Numbers
1st
10th5th
15th6th
7th
15th💎
5th
Happy Numbers (Long)
2nd
4th
17th6th
6th
11th
7th
87th
34th
1st
Hexdump
💎
💎
2nd
5th
1st
3rd
Intersection
💎
3rd
5th
3rd
6th6th
12th
164th
💎
1st
Inventory Sequence
3rd
6th
5th
10th2nd
ISBN
💎
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
100th
2nd
11th26th
1st
10th40th62nd
39th
25th
387th
82nd
6th
Levenshtein Distance
2nd
3rd1st
1st
💎
18th
1st
11th27th
1st5th💎
7th
1st5th
Leyland Numbers
4th
4th
💎8th
131st
💎
2nd
ln 2
2nd
1st
4th
5th
1st
1st
21st
3rd
Look and Say
1st
6th
8th
💎
80th
4th3rd
Lucky Numbers
💎
5th
22nd
5th
149th
2nd
Lucky Tickets
3rd
68th
4th
Mahjong
2nd
36th
Maze
7th
3rd
6th
3rd
Medal Tally
3rd
4th
3rd
6th
💎
2nd
Morse Decoder
💎
2nd
💎
3rd
5th
4th💎
💎
💎
Morse Encoder
4th
4th
💎
5th
1st
💎
Musical Chords
6th
N Queens
💎
2nd
💎
6th
💎
3rd
💎
💎
Niven Numbers
1st
1st
1st
4th
180th
6th
17th
Niven Numbers (Long)
1st
8th
1st
1st
20th
2nd
Number Spiral
20th
7th
5th
5th
6th
14th
73rd
3rd
Odious Numbers
1st
1st
1st
1st
51st
35th1st
8th
11th
Odious Numbers (Long)
1st
1st
1st
5th
25th
20th1st
10th
Ordinal Numbers
2nd
3rd
17th
💎
10th8th
13th
19th💎
1st
PalindromemordnilaP
2nd
4th
💎
12th
8th
1st
Pangram Grep
48th
2nd
8th8th
4th
3rd
2nd15th10th
1st
4th
188th
46th39th
4th
9th19th
6th
Partition Numbers
💎
6th
5th
5th
💎5th12th
3rd4th
6th6th
2nd
3rd
Pascal’s Triangle
1st
6th
7th12th
1st
85th
17th
13th
108th
1st
7th
Pernicious Numbers
10th
17th
16th1st
34th
18th
29th
5th
Pernicious Numbers (Long)
2nd
1st
6th
14th
4th
Poker
2nd
💎
3rd
🦄
Polyominoes
💎
43rd
Prime Numbers
1st
8th
3rd1st3rd
1st
1st21st
27th
37th
43rd
1st2nd
5th
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
127th
5th3rd
Repeating Decimals
3rd
Reverse Polish Notation
1st
3rd
3rd
1st
6th1st
💎7th
6th7th
4th
29th3rd💎
2nd
Reversi
5th
💎
7th
Rijndael S-box
2nd
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
💎8th3rd
Rule 110
💎
2nd
5th
💎
9th
8th
30th
4th2nd
Set
3rd
2nd
💎
💎
🦄
💎
Seven Segment
2nd
13th
2nd
13th
💎
SI Units
💎
💎3rd💎
💎
💎
💎💎
💎💎
💎
4th💎
💎
Sierpiński Triangle
56th
4th
17th
6th
26th
107th
2nd
Smith Numbers
2nd
10th
5th
4th
Spelling Numbers
1st
1st
2nd
6th
1st
Star Wars Opening Crawl
💎
💎
💎
101st
Sudoku
2nd
Ten-pin Bowling
6th
2nd
2nd
Tic-tac-toe
1st
2nd
3rd
7th
💎
💎
8th
💎
Time Distance
2nd
2nd
4th
4th
3rd
Tongue-twisters
💎
💎
3rd
9th
💎
2nd
Transpose Sentence
7th
5th
9th
4th
3rd
💎
United States
💎
3rd
4th
💎
3rd
5th
💎
Vampire Numbers
4th
3rd
70th
2nd
Van Eck Sequence
2nd
6th
5th
162nd
3rd
Zeckendorf Representation
4th
7th
2nd
3rd
Zodiac Signs
💎
7th
3rd
2nd
γ
40th
λ
2nd
4th
4th
22nd
2nd
π
1st
25th41st
44th
25th
💎
τ
1st
20th36th
45th
💎
φ
1st
1st
7th
4th
7th
38th
77th
1st
√2
1st1st1st
6th
1st
1st
1st1st
1st
1st
8th
𝑒
1st
1st
3rd
12th
43rd
69th
1st