12 Days of Christmas
84th
11th
4th
68th
43rd36th
24 Game
2nd
43rd
6th
99 Bottles of Beer
10th
67th58th40th
3rd
10th
189th
150th
24th
Abundant Numbers
19th
120th
9th
23rd
33rd
138th
14th
Abundant Numbers (Long)
15th
75th
8th
43rd
99th
3rd
Arabic to Roman
10th
1st
3rd
40th
15th
11th
109th
24th
Arithmetic Numbers
21st
7th
6th
114th
20th
Arrows
15th5th
22nd
53rd
31st
13th
18th
Ascending Primes
6th
35th
4th
26th
29th
ASCII Table
5th
11th
1st
10th
11th
5th
90th
30th
6th
Billiards
3rd
2nd
35th
8th
brainfuck
11th
24th94th
3rd
89th
23rd
Calendar
2nd
34th
7th
Card Number Validation
4th
43rd
5th
Catalan Numbers
16th
7th
31st
21st
1st
1st
Catalan’s Constant
2nd
1st
6th
110th
18th
Christmas Trees
58th98th
19th
5th
19th
126th
14th
6th
Collatz
208th
8th
17th
5th39th
129th
11th
Continued Fractions
3rd
31st
12th
CSS Colors
10th
4th
169th
37th24th
88th
35th
15th
Cubes
💎
84th
18th
Day of Week
6th
1st
79th
21st
DFA Simulator
3rd
5th
49th
10th
Diamonds
33rd
5th
17th
12th3rd
42nd
7th
Divisors
1st
21st
7th
1st
5th
Emirp Numbers
11th
28th
122nd
20th
Emirp Numbers (Long)
5th
49th
18th
Emojify
5th
2nd6th
56th
20th
Evil Numbers
1st
10th
46th
1st
12th
59th
Evil Numbers (Long)
4th
42nd
6th
24th
Factorial Factorisation
3rd
18th
8th
76th
12th
Farey Sequence
1st
9th
50th
14th
Fibonacci
257th125th133rd
9th
32nd
451st
135th57th
1st
116th
8th
58th
31st
Fizz Buzz
29th
201st111th
5th
57th
801st
44th
4th
Foo Fizz Buzz Bar
18th
6th
203rd
24th
136th
24th
Forsyth–Edwards Notation
5th
62nd
11th
Fractions
5th
15th
167th
1st
Game of Life
3rd
27th2nd
12th
20th
5th
4th6th
56th
14th
6th
Gijswijt’s Sequence
6th
22nd
21st
Gray Code Decoder
1st
1st
24th
5th
Gray Code Encoder
1st
25th
21st
Happy Numbers
11th
70th
55th
17th
Happy Numbers (Long)
11th
7th
7th
7th
31st
7th
80th
21st
Hexdump
54th
15th
Hilbert Curve
💎
8th11th6th
4th
3rd
7th
6th
4th
2nd
14th4th
5th
Intersection
4th
99th
21st
Inventory Sequence
10th
5th13th12th9th10th24th31st18th25th13th12th5th38th10th17th12th7th5th6th4th15th5th8th8th13th21st9th16th
8th10th19th58th10th12th20th9th15th11th9th6th19th15th12th6th59th6th9th13th15th18th14th15th14th5th9th15th6th4th10th7th
ISBN
36th
32nd
31st
10th
95th
23rd
Jacobi Symbol
3rd
7th
62nd
25th
Kaprekar Numbers
14th
2nd
12th
6th
28th
17th
Kolakoski Constant
2nd
12th
7th
47th
16th
Kolakoski Sequence
14th
8th12th
65th
10th
Leap Years
7th
28th
18th7th
22nd
Levenshtein Distance
21st
15th
16th40th
16th
26th
Leyland Numbers
90th
12th
ln 2
1st
1st
5th
Look and Say
19th
89th
29th
40th
Lucky Numbers
43rd14th
13th
60th
14th
Lucky Tickets
2nd
66th
14th
Mahjong
13th
2nd
7th
4th
53rd
7th
Mandelbrot
3rd
56th
17th
Maze
5th
5th7th
52nd
11th
3rd
Medal Tally
35th
Minesweeper
5th
5th12th
7th9th
5th
5th
30th
15th
Morse Decoder
2nd
7th
52nd
22nd
Morse Encoder
3rd
8th
46th
16th
Multitap Input
💎
3rd
7th
2nd
💎
21st
5th
Musical Chords
2nd
18th30th
3rd9th
3rd8th3rd
25th
7th
N Queens
64th
9th
Niven Numbers
1st
44th
Niven Numbers (Long)
21st
1st
Number Spiral
5th
10th
13th5th
8th
13th
4th
44th
17th
Odious Numbers
1st
65th
Odious Numbers (Long)
22nd
1st
21st
Ordinal Numbers
15th
24th
90th
2nd
PalindromemordnilaP
71st
1st
Pangram Grep
16th
18th
12th64th
24th
13th
21st30th
21st
117th
15th
35th
14th
Partition Numbers
7th
4th
8th
5th
8th
15th
22nd
Pascal’s Triangle
11th
27th32nd
47th
Pernicious Numbers
1st
1st
1st
22nd
Pernicious Numbers (Long)
46th
Poker
3rd
62nd
Polyominoes
2nd
39th
14th
Prime Numbers
9th
43rd
1st
27th
Prime Numbers (Long)
21st
11th
25th
15th16th
62nd
1st
Proximity Grid
10th
35th
💎
QR Decoder
2nd
7th
37th
Quine
1st
84th
79th
81st
100th
Recamán
62nd
33rd
Repeating Decimals
2nd
9th
23rd
20th
Reverse Polish Notation
3rd
54th
79th
7th
Reversi
4th
8th
42nd
16th
Rijndael S-box
25th
2nd
9th
32nd
17th
Rock-paper-scissors-Spock-lizard
3rd
34th
97th
31st
Roman to Arabic
36th
14th
110th
5th
81st
30th
14th
ROT13
3rd
41st
11th
5th
18th
59th
16th
Rule 110
3rd
54th
14th
Scrambled Sort
16th
14th
41st15th
Set
55th
10th
Seven Segment
56th
SI Units
2nd
11th
45th
2nd
Sierpiński Triangle
86th
14th
Smith Numbers
4th
8th
66th
26th
Spelling Numbers
1st
111th
Star Wars GPT
15th
32nd
8th
Star Wars Opening Crawl
2nd
61st
13th
3rd
Sudoku
2nd
34th
Sudoku (Fill-in)
3rd
2nd7th3rd
42nd
14th
💎
Ten-pin Bowling
21st
2nd
3rd11th
54th
18th
3rd
Tic-tac-toe
4th
11th
48th
2nd
Time Distance
62nd
Tongue-twisters
5th
67th
41st
Topological Sort
2nd
22nd
12th
Tower of Hanoi
11th
8th
7th
5th
6th
15th1st
11th
18th10th
47th
13th
Transpose Sentence
6th
60th
27th
52nd
Trinomial Triangle
6th
4th
2nd
5th
7th
29th
9th
4th
6th2nd5th💎5th3rd
United States
68th
10th
18th11th
74th
19th
Vampire Numbers
2nd
8th
83rd
28th
Van Eck Sequence
25th
49th
Zeckendorf Representation
4th
24th
8th
42nd
13th
Zodiac Signs
9th
2nd
16th
44th
18th
γ
22nd
1st
λ
63rd
24th71st
74th
16th
2nd
48th
π
1st
4th
227th
31st
54th
τ
40th
4th
196th5th
31st
φ
1st
1st
76th
√2
43rd
1st
1st
𝑒
1st
5th
1st20th