12 Days of Christmas
6th
5th
26th
5th
4th
24 Game
46th
99 Bottles of Beer
4th
9th
7th
7th
336th
2nd
Abundant Numbers
3rd
15th
3rd
43rd
4th
13th
350th
34th30th4th
Abundant Numbers (Long)
1st
14th
25th
1st
17th
14th
29th23rd6th
Arabic to Roman
1st
1st
1st
4th
109th
12th
18th
1st
Arithmetic Numbers
7th
5th
21st
1st
7th
5th2nd
Arrows
6th
11th
6th
11th
Ascending Primes
5th
4th
10th
8th
1st
💎
ASCII Table
7th
4th
8th
7th
2nd
Billiards
2nd
4th
2nd
💎
1st
2nd
brainfuck
4th
9th
6th
3rd
93rd
13th
4th
135th
2nd
Card Number Validation
4th
1st
3rd
5th
7th
💎9th
10th6th
3rd2nd
Catalan Numbers
1st
9th1st
1st
13th
3rd5th
2nd
1st
90th
1st
1st
1st
Catalan’s Constant
40th
Christmas Trees
6th
7th
7th
10th
💎
Collatz
2nd
6th
12th
6th
6th
11th
20th
3rd1st
CSS Colors
5th
4th
5th
💎15th
1st
4th
2nd
Cubes
3rd
6th
4th
6th
3rd
Day of Week
1st
1st29th4th3rd
10th5th4th1st
1st
1st1st1st
1st9th17th
9th66th
54th
18th
3rd
1st
DFA Simulator
4th
3rd
Diamonds
4th
5th
5th
13th
149th
2nd
Divisors
5th
5th15th
6th
8th18th
1st
34th
14th
98th
38th1st1st
6th
Emirp Numbers
8th
3rd
3rd
8th12th
22nd
5th
Emirp Numbers (Long)
4th
10th
3rd
10th
5th
Emojify
5th
3rd
3rd
💎
2nd
💎
3rd
Evil Numbers
3rd
1st11th
8th1st
29th
4th
34th
109th
37th1st
11th
Evil Numbers (Long)
1st
1st10th
1st
22nd
5th
17th
32nd
16th1st
11th
Factorial Factorisation
3rd
4th
7th
4th
4th
Farey Sequence
💎
3rd
7th
💎
10th
33rd
21st
1st
1st
Fibonacci
21st42nd12th
42nd38th49th18th4th13th1st39th1st21st11th9th13th
18th1st
2nd28th1st21st38th22nd1st24th18th22nd61st42nd
1st
86th164th8th1st
5th49th24th1st25th22nd
Fizz Buzz
11th15th
5th32nd16th
13th19th
14th14th
5th1st1st
7th11th
1st
30th181st
3rd195th6th
7th
18th
Foo Fizz Buzz Bar
7th34th6th
10th
16th
6th
1st
108th
21st3rd
Forsyth–Edwards Notation
3rd
4th
6th
3rd
5th
7th
2nd
💎
Fractions
1st
1st7th
7th
9th
1st
1st
11th
48th
1st
2nd
6th
Game of Life
5th
4th
4th
6th
💎
5th
3rd
Gijswijt’s Sequence
5th
2nd
81st
💎
Happy Numbers
4th
3rd
14th
8th
2nd
8th
Happy Numbers (Long)
3rd
4th
17th
6th
11th
7th
106th
36th
1st
Hexdump
2nd
💎
4th
5th
2nd
Intersection
3rd
3rd
5th
3rd
6th
12th
178th
3rd
1st
Inventory Sequence
4th
6th
5th
9th2nd
ISBN
4th
1st
9th
2nd
12th
2nd
4th
Jacobi Symbol
3rd
1st
2nd
3rd
Kaprekar Numbers
13th
3rd
5th
Kolakoski Constant
76th
2nd
Kolakoski Sequence
2nd
15th
6th
85th
3rd
Leap Years
101st
2nd
11th26th
1st
10th42nd62nd
39th
25th
81st
6th
Levenshtein Distance
3rd
4th1st
1st
💎
26th
1st
11th30th
14th4th2nd
7th
1st5th
Leyland Numbers
5th
4th
💎9th
149th
💎
3rd
ln 2
2nd
1st
4th
5th
29th
22nd
2nd
Look and Say
1st
6th
8th
💎
109th
3rd3rd
Lucky Numbers
💎
5th
21st
5th
151st
2nd
Lucky Tickets
3rd
80th
5th
Mahjong
2nd
40th
Maze
7th
3rd
6th
4th
Medal Tally
4th
3rd
3rd
6th
2nd
2nd
Morse Decoder
3rd
2nd
💎
4th
5th
4th2nd
💎
💎
Morse Encoder
4th
💎
6th
3rd
Musical Chords
6th
N Queens
2nd
💎
6th
💎
2nd
Niven Numbers
2nd
3rd
3rd
4th
178th
6th
Niven Numbers (Long)
💎
7th
1st
1st
20th
2nd
Number Spiral
20th
8th
7th
5th
6th
15th
83rd
4th
Odious Numbers
3rd
1st
3rd
3rd
51st
35th1st
12th
Odious Numbers (Long)
1st
1st
1st
5th
25th
20th1st
10th
Ordinal Numbers
3rd
3rd
17th
💎
9th
13th
19th💎
1st
PalindromemordnilaP
3rd
4th
💎
11th
8th
💎
Pangram Grep
48th
3rd
8th9th
4th
3rd
2nd15th10th
1st
4th
208th
48th38th
4th
9th18th
6th
Pascal’s Triangle
1st
6th
7th12th
2nd
84th
17th
13th
124th
1st
7th
Pernicious Numbers
9th
16th
16th3rd
34th
17th
29th
5th
Pernicious Numbers (Long)
2nd
1st
6th
14th
4th
Poker
3rd
💎
3rd
🦄
Polyominoes
💎
46th
Prime Numbers
3rd
8th
5th1st
7th
1st21st
27th
36th
42nd
1st2nd
6th
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
148th
5th3rd
Repeating Decimals
3rd
Reverse Polish Notation
3rd
3rd
3rd
1st
6th1st
💎7th
6th7th
4th
29th3rd2nd
2nd
Reversi
6th
💎
7th
Rijndael S-box
5th
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
44th
12th
2nd
Rule 110
2nd
2nd
5th
💎
10th
8th
38th
4th1st
Seven Segment
4th
13th
2nd
13th
2nd
SI Units
3rd
2nd3rd💎
💎
💎
💎💎
💎3rd
💎
4th💎
💎
Sierpiński Triangle
56th
4th
17th
6th
26th
119th
2nd
Smith Numbers
3rd
10th
5th
4th
Spelling Numbers
4th
1st
2nd
6th
1st
Star Wars Opening Crawl
💎
100th
Sudoku
2nd
Ten-pin Bowling
6th
2nd
Tic-tac-toe
1st
2nd
3rd
6th
💎
💎
8th
2nd
Time Distance
4th
2nd
4th
4th
3rd
Tongue-twisters
5th
4th
3rd
8th
3rd
3rd
Transpose Sentence
7th
5th
9th
4th
3rd
2nd
United States
3rd
4th
💎
19th
5th
💎
Vampire Numbers
5th
3rd
83rd
4th
Van Eck Sequence
2nd
6th
5th
169th
3rd
Zeckendorf Representation
5th
7th
2nd
3rd
Zodiac Signs
3rd
7th
3rd
2nd
γ
40th
λ
4th
6th
37th
4th
π
1st
25th40th
44th
27th
💎
τ
1st
21st35th
52nd
💎
φ
1st
1st
7th
8th
6th
48th
80th
1st
√2
1st16th1st
6th
16th
1st
53rd1st
1st
1st
𝑒
4th
1st
3rd
12th
43rd
73rd
1st