12 Days of Christmas
19th
16th6th
164th
26th
99 Bottles of Beer
1st4th
2nd
5th
7th
💎
9th1st
21st
💎
8th
Abundant Numbers
3rd
30th
1st
17th1st
3rd2nd19th
15th2nd11th
1st
3rd3rd
Abundant Numbers (Long)
20th
1st
1st
1st
5th8th
82nd2nd12th
3rd
Arabic to Roman
1st
1st
2nd
2nd💎
1st
18th
4th
9th
Arithmetic Numbers
11th
26th
17th
1st
70th1st
7th
Arrows
8th
Ascending Primes
1st
1st
6th
12th
ASCII Table
4th
5th
4th
3rd3rd
6th
1st
9th
brainfuck
2nd
2nd
3rd2nd
💎
Calendar
41st
Card Number Validation
1st4th
17th
Catalan Numbers
1st
8th
11th
28th
1st
1st
1st
1st
3rd
2nd
1st
1st
1st
Catalan’s Constant
1st
4th
64th
Christmas Trees
3rd
4th
14th
8th7th
76th
3rd
Collatz
8th
11th
2nd
3rd6th22nd
113th1st7th
6th
Connect Four
15th
Continued Fractions
3rd💎
36th
7th
CSS Colors
10th
5th
2nd2nd26th
92nd
3rd
Cubes
2nd
Day of Week
3rd4th
1st6th
11th11th
5th1st1st
1st7th
1st
1st
DFA Simulator
2nd
Diamonds
6th
3rd1st
8th
19th
Divisors
3rd
13th
7th
1st
1st
1st
1st12th
1st
3rd1st2nd
3rd1st14th
3rd
9th
9th
1st
Emirp Numbers
4th3rd
5th18th
11th
1st
12th
6th
8th
3rd4th
17th8th7th
18th
3rd2nd
3rd
Emirp Numbers (Long)
4th
4th6th
1st
14th
Emojify
3rd
50th
3rd
6th1st
Evil Numbers
7th
6th
36th34th15th
22nd1st53rd1st1st5th1st
1st
10th1st
42nd
1st
12th8th11th8th1st9th6th6th
1st7th6th20th19th1st4th4th
1st8th
1st3rd6th4th3rd6th
6th
Evil Numbers (Long)
22nd
8th1st1st
1st
1st
4th
6th1st
7th3rd
1st
1st
2nd
Factorial Factorisation
7th
4th
12th
Farey Sequence
2nd
22nd
18th
11th
15th
1st4th1st
1st
1st
Fibonacci
1st1st1st3rd21st
1st2nd
6th
1st1st1st
11th1st12th1st1st1st1st
1st
1st1st1st1st16th
1st1st1st1st1st1st1st1st1st1st11th
1st1st
5th1st3rd1st
1st
6th
Fizz Buzz
8th1st1st
1st2nd22nd
28th1st1st25th6th
7th
5th
1st1st1st20th14th
7th
3rd1st1st
1st7th1st
4th
2nd3rd
6th
1st
Foo Fizz Buzz Bar
1st6th
3rd
33rd
4th
8th
13th13th
4th
💎1st5th
1st2nd6th
21st
4th
Forsyth–Edwards Notation
1st6th
7th
5th
5th
Fractions
5th
33rd
1st
1st
13th
9th
2nd1st
1st3rd5th
1st
4th
Game of Life
6th
5th
6th
1st4th
9th
Gijswijt’s Sequence
3rd
23rd
8th
Gray Code Decoder
1st
21st
1st💎1st
1st
1st
Gray Code Encoder
5th
1st
1st
1st1st
41st
1st
Happy Numbers
10th1st
6th
1st
1st
26th7th
16th
1st
17th3rd
1st
5th
6th5th16th
33rd8th13th
1st
3rd2nd
4th4th4th
Happy Numbers (Long)
18th
1st
7th
8th
12th9th
2nd
10th
💎1st
22nd3rd9th
4th
6th
Hexdump
22nd
4th
5th💎
55th
15th
Intersection
25th
95th4th
7th
Inventory Sequence
6th
14th
12th
3rd3rd
64th
💎
14th
ISBN
5th
2nd
3rd
4th
1st
Jacobi Symbol
1st
18th
Kaprekar Numbers
💎5th
Kolakoski Constant
1st
13th
Kolakoski Sequence
2nd15th
1st
14th
31st
1st
1st5th
59th
10th11th
4th
5th
Leap Years
5th
5th
13th
1st
11th
8th
6th17th12th3rd
20th
1st8th1st
63rd1st7th
19th
Levenshtein Distance
1st1st
1st
14th
1st
21st4th💎
16th
9th
Leyland Numbers
30th
6th
93rd
13th
ln 2
1st
1st
1st
6th
Look and Say
4th
6th
1st
26th
14th
1st3rd
94th
16th
6th
Lucky Numbers
1st
6th
💎
3rd
43rd1st
4th
Lucky Tickets
20th
💎
47th
13th
Mandelbrot
💎
Maze
3rd
2nd
67th
5th
1st
Medal Tally
5th
13th
Minesweeper
24th
8th
Morse Decoder
16th
2nd
7th
Morse Encoder
13th
Multitap Input
4th
N Queens
39th
Nim
4th
30th
4th
Niven Numbers
1st6th
1st9th1st9th
1st1st
1st1st1st
1st1st
1st
5th1st3rd6th1st
1st1st
1st1st1st
1st7th21st
1st1st
8th3rd6th1st3rd3rd
1st
Niven Numbers (Long)
1st3rd
💎9th7th13th
6th
1st
4th
18th2nd
1st
13th17th7th
1st
4th8th
1st1st
1st1st16th
1st13th
10th8th1st
4th
Number Spiral
6th
6th
14th
6th
2nd10th
35th2nd3rd
3rd
4th
Odious Numbers
7th1st6th
14th
22nd1st8th1st1st10th1st
6th
10th1st
36th
1st
12th12th12th8th1st9th6th6th
9th3rd2nd20th18th1st2nd4th
1st1st
1st1st6th6th4th6th
1st
Odious Numbers (Long)
1st
29th
8th1st1st
1st
1st
1st
5th1st
3rd2nd
1st2nd
1st
2nd
Ordinal Numbers
7th4th
24th
1st
9th
1st
1st
4th💎
90th3rd1st
2nd
1st1st
PalindromemordnilaP
1st
1st8th
49th
1st
Pangram Grep
4th
3rd
1st
7th23rd
1st
3rd1st
119th5th13th
1st
1st3rd
3rd
Partition Numbers
18th
15th4th
3rd
Pascal’s Triangle
12th
29th
5th
1st1st
11th
23rd
4th1st
1st1st10th
2nd
Pernicious Numbers
1st4th
13th
1st1st1st6th
1st1st
1st1st1st
16th
1st1st
13th
1st
1st1st8th1st23rd20th1st1st
21st1st1st1st
1st7th1st
7th1st
4th1st1st1st3rd3rd
1st
Pernicious Numbers (Long)
💎
17th
12th
12th
18th15th
6th5th
49th
9th
Poker
4th
Prime Numbers
6th7th
8th7th13th
1st18th
10th
3rd
1st
4th
1st
1st1st
1st1st9th1st
1st8th
1st2nd1st9th1st1st1st
1st
1st1st
5th4th5th
1st
Prime Numbers (Long)
8th
8th
1st
15th
1st
1st
5th
19th1st
1st
15th1st
1st
6th1st
1st1st1st
1st
1st
Proximity Grid
5th
5th
7th2nd
28th
2nd
Quine
1st1st1st
6th2nd20th1st7th1st1st
💎1st1st1st
1st8th1st
1st1st1st1st16th11th
8th1st1st1st1st
1st1st
1st1st1st1st1st1st💎1st
1st1st1st3rd1st47th1st
💎
8th7th
Recamán
5th
4th
21st
5th3rd
1st3rd
2nd
Repeating Decimals
14th
1st2nd
1st
1st
8th
Reverse Polish Notation
3rd
1st
2nd
1st5th
2nd
Reversi
5th
29th
Rijndael S-box
16th
50th
7th
2nd
Roman to Arabic
25th
10th
1st
3rd
3rd
1st💎
1st1st
1st
4th
ROT13
1st1st
1st
1st
1st
5th
Rule 110
7th
3rd
3rd7th
30th
4th
6th
Scrambled Sort
4th
48th
5th
Set
2nd3rd
43rd
20th
Seven Segment
4th
SI Units
3rd
10th
Sierpiński Triangle
10th
14th
2nd9th
45th
11th
3rd
Spelling Numbers
1st
💎
18th
Sudoku
9th
Sudoku (Fill-in)
5th
6th
4th2nd
5th
Taxicab Numbers
2nd4th
Tic-tac-toe
14th9th
Time Distance
17th
💎
💎
14th
Tongue-twisters
💎
12th6th3rd
22nd
4th
3rd6th
41st
5th
6th
6th
53rd
4th
19th5th
💎
Tower of Hanoi
3rd
8th1st
15th
Transpose Sentence
24th
1st
1st
12th
3rd2nd
55th
5th
United States
3rd
6th💎
25th1st
14th
4th
Vampire Numbers
17th
Van Eck Sequence
9th
1st21st
1st
80th
6th
13th
Zeckendorf Representation
9th
💎
59th
10th
Zodiac Signs
2nd
γ
9th
1st
41st
λ
1st
23rd
💎
4th
1st
6th2nd
47th
4th
1st
π
1st
1st3rd
78th
10th
τ
1st
1st
14th
10th
φ
18th
19th
20th
1st
1st3rd
1st
8th
1st
10th
√2
21st
1st
1st
1st
1st
1st
1st
𝑒
6th
7th
20th
7th
1st
1st4th
1st8th14th
1st