12 Days of Christmas
2nd
1st
386th
24 Game
2nd
7th
72nd
99 Bottles of Beer
5th
30th
1st
30th
312th18th
Abundant Numbers
15th
5th
9th
219th
Abundant Numbers (Long)
7th
4th
Arabic to Roman
4th
1st
Arithmetic Numbers
12th
7th
1st
Arrows
5th
14th21st
Ascending Primes
1st
8th
7th4th
10th2nd
ASCII Table
11th
6th
38th
17th11th
306th
Billiards
4th
brainfuck
💎
5th
💎
Card Number Validation
1st
4th
1st
6th
Catalan Numbers
7th
4th22nd
1st
69th
Catalan’s Constant
6th
8th
Christmas Trees
4th
1st
Collatz
1st
7th
25th
1st
138th
45th
CSS Colors
4th
8th
Cubes
3rd
4th
Day of Week
7th
28th
1st
54th
DFA Simulator
17th
Diamonds
4th
1st
Divisors
11th5th
7th
52nd
1st
17th
760th30th
99th
Emirp Numbers
5th
13th
27th
Emirp Numbers (Long)
3rd
12th
Emojify
5th
1st
Evil Numbers
8th1st
5th
3rd7th
1st8th
5th1st
6th
20th10th1st87th1st20th
97th1st
7th
1st
Evil Numbers (Long)
1st
21st
11th7th
8th
13th1st
7th
1st
40th
Factorial Factorisation
3rd
5th
5th
Farey Sequence
1st
8th1st4th8th
13th
1st
1st
Fibonacci
7th1st
42nd
49th6th
11th13th
12th
1st
24th
42nd
1st64th7th
Fizz Buzz
54th1st
32nd512th
5th
43rd23rd94th
78th
228th165th32nd
1st132nd
260th99th
208th1st333rd16th77th
69th310th
53rd154th
Foo Fizz Buzz Bar
13th
7th
26th
5th5th
1st
108th
Forsyth–Edwards Notation
6th
8th
Fractions
2nd
5th
1st
13th
4th
Game of Life
4th
8th12th
Gijswijt’s Sequence
5th
7th
13th
83rd
Happy Numbers
5th
11th
28th
Happy Numbers (Long)
5th
1st
Hexdump
7th
17th
13th
40th
Intersection
5th
2nd
Inventory Sequence
6th
34th
9th
147th
ISBN
7th
1st5th
Jacobi Symbol
4th
13th9th
Kaprekar Numbers
3rd3rd💎5th4th
1st1st
2nd
3rd1st
4th
2nd
34th
7th
3rd
Kolakoski Constant
5th
6th
Kolakoski Sequence
5th
5th
9th
Leap Years
5th1st
18th
10th
12th
1st
7th
12th
Levenshtein Distance
5th
8th
Leyland Numbers
4th
5th
ln 2
6th
17th
12th
29th
Look and Say
3rd
1st
21st
Lucky Numbers
7th
16th
23rd
46th
Lucky Tickets
6th
9th1st
9th
Mahjong
2nd
4th6th
50th
Maze
5th
6th
Medal Tally
5th
6th
Morse Decoder
5th
9th
Morse Encoder
5th
5th6th
Musical Chords
3rd
4th
85th
N Queens
3rd
10th
3rd6th
5th
💎
💎2nd
5th
5th1st9th
4th
2nd
2nd3rd
10th2nd
Niven Numbers
20th1st
13th
17th
1st
4th
1st
1st
Niven Numbers (Long)
11th
7th
1st
6th
Number Spiral
5th
4th
5th
17th
Odious Numbers
4th8th6th
7th
29th7th
1st9th
1st
14th
3rd
1st23rd
16th
7th
Odious Numbers (Long)
1st
5th
23rd7th
9th
1st
6th
1st
35th
Ordinal Numbers
6th
22nd
1st
74th
PalindromemordnilaP
3rd
4th
7th
Pangram Grep
8th
10th
18th
Pascal’s Triangle
12th
40th
6th
28th11th
369th20th
Pernicious Numbers
8th1st
20th
1st6th
1st16th19th27th19th20th12th
26th
1st1st33rd
8th24th23rd
24th1st32nd1st20th
43rd1st
14th15th3rd
17th
Pernicious Numbers (Long)
4th
3rd6th
Poker
26th
63rd
Polyominoes
3rd
5th5th
6th
55th
10th
Prime Numbers
11th1st
40th
8th
1st13th
1st
9th37th1st17th
152nd18th
Prime Numbers (Long)
1st
5th
12th
1st
7th
1st
1st
Proximity Grid
3rd
7th💎
QR Decoder
6th
18th
8th
55th
Quine
1st
1st2nd2nd90th58th
3rd
11th27th1st
66th42nd
83rd72nd10th61st51st1st65th
10th1st51st
50th32nd
56th74th
1st92nd
1st64th
Recamán
4th
2nd
24th
13th
68th
Repeating Decimals
4th
10th
Reverse Polish Notation
8th
8th
34th
Reversi
5th
5th
1st
Rijndael S-box
3rd
8th
85th
Rock-paper-scissors-Spock-lizard
6th
14th
Roman to Arabic
6th
7th
15th
ROT13
💎
9th
3rd
4th
8th
44th
7th
Rule 110
5th
15th6th
Seven Segment
7th
9th9th
7th
SI Units
6th
Sierpiński Triangle
8th1st
8th
1st4th
6th
7th1st
3rd
12th1st
37th13th
3rd
Smith Numbers
4th
4th
7th
Spelling Numbers
5th
3rd
Star Wars Opening Crawl
11th
116th
Sudoku
3rd
8th
Sudoku (Fill-in)
4th
8th
Ten-pin Bowling
5th
13th
82nd
Tic-tac-toe
1st
4th
3rd3rd
3rd
62nd
3rd
Time Distance
28th
11th
118th
Tongue-twisters
2nd
25th
2nd
10th
Transpose Sentence
3rd
7th
3rd
United States
4th
3rd
Vampire Numbers
5th
9th
Van Eck Sequence
5th
13th1st
Zeckendorf Representation
3rd
8th
2nd
64th
Zodiac Signs
3rd
5th
γ
13th
5th
8th
λ
5th
10th
π
6th
7th
11th
τ
7th
11th
φ
1st
1st
√2
1st
16th
1st
1st
𝑒
6th
28th
8th
15th
1st
1st15th3rd
8th