12 Days of Christmas
19th
17th7th
168th
27th
99 Bottles of Beer
1st4th
2nd
5th
7th
💎
9th1st
21st
💎
8th
Abundant Numbers
3rd
30th
1st
17th1st
3rd2nd19th
15th4th11th
1st
3rd3rd
Abundant Numbers (Long)
20th
1st
1st
1st
5th8th
83rd4th12th
3rd
Arabic to Roman
1st
1st
2nd
2nd💎
1st
18th
4th
9th
Arithmetic Numbers
11th
27th
18th
1st
71st1st
7th
Arrows
8th
Ascending Primes
1st
1st
6th
12th
ASCII Table
4th
5th
4th
3rd3rd
6th
1st
9th
brainfuck
2nd
2nd
3rd2nd
💎
Calendar
43rd
Card Number Validation
1st4th
17th
Catalan Numbers
1st
8th
11th
30th
1st
1st
1st
1st
3rd
2nd
1st
1st
1st
Catalan’s Constant
1st
4th
70th
Christmas Trees
3rd
5th
14th
9th7th
76th
3rd
Collatz
8th
11th
3rd
4th6th23rd
116th3rd7th
6th
Connect Four
17th
Continued Fractions
3rd💎
38th
8th
CSS Colors
10th
5th
3rd2nd26th
93rd
3rd
Cubes
3rd
Day of Week
3rd4th
1st7th
12th12th
6th1st1st
1st7th
1st
1st
DFA Simulator
2nd
Diamonds
6th
4th1st
8th
19th
Divisors
3rd
13th
8th
1st
1st
1st
1st12th
1st
3rd1st2nd
3rd1st15th
3rd
9th
9th
1st
Emirp Numbers
4th3rd
5th18th
11th
1st
12th
6th
9th
3rd4th
17th8th7th
18th
3rd2nd
3rd
Emirp Numbers (Long)
4th
4th6th
2nd
14th
Emojify
3rd
51st
3rd
6th1st
Evil Numbers
7th
6th
37th34th15th
22nd1st53rd1st1st5th1st
1st
11th1st
42nd
1st
13th8th11th9th1st9th6th6th
1st7th6th20th19th1st5th4th
1st8th
1st3rd6th4th3rd6th
6th
Evil Numbers (Long)
22nd
8th1st1st
1st
1st
5th
6th1st
8th3rd
1st
1st
2nd
Factorial Factorisation
7th
4th
13th
Farey Sequence
2nd
22nd
19th
12th
15th
1st4th1st
3rd
1st
Fibonacci
1st1st1st3rd22nd
1st2nd
6th
1st1st1st
11th1st12th1st1st1st1st
1st
1st1st1st1st16th
1st1st1st1st1st1st1st1st1st1st11th
1st1st
5th1st3rd1st
1st
6th
Fizz Buzz
8th1st1st
1st2nd22nd
18th
29th1st1st27th6th
7th
5th
1st1st1st20th14th
7th
3rd1st1st
1st7th1st
4th
2nd3rd
6th
1st
Foo Fizz Buzz Bar
1st6th
3rd
33rd
4th
8th
13th13th
4th
💎1st5th
1st3rd6th
22nd
4th
Forsyth–Edwards Notation
1st6th
7th
5th
5th
Fractions
5th
35th
1st
1st
14th
9th
3rd1st
1st4th5th
1st
4th
Game of Life
6th
5th
6th
1st5th
9th
Gijswijt’s Sequence
3rd
27th
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
34th8th13th
1st
3rd2nd
4th4th4th
Happy Numbers (Long)
18th
1st
7th
9th
12th9th
2nd
10th
💎1st
23rd4th9th
4th
6th
Hexdump
22nd
4th
5th💎
55th
15th
Intersection
25th
95th5th
7th
Inventory Sequence
6th
14th
12th
3rd3rd
67th
💎
14th
ISBN
5th
2nd
4th
4th
1st
Jacobi Symbol
1st
18th
Kaprekar Numbers
💎5th
Kolakoski Constant
1st
13th
Kolakoski Sequence
2nd15th
1st
14th
32nd
1st
1st5th
60th💎
10th11th
4th
5th
Leap Years
5th
5th
13th
1st
11th
10th
8th17th12th3rd
21st
1st8th1st
65th1st7th
19th
Levenshtein Distance
1st1st
1st
14th
1st
23rd6th💎
16th
9th
Leyland Numbers
30th
6th
93rd
13th
ln 2
1st
1st
1st
6th
Look and Say
5th
6th
1st
26th
14th
1st4th
95th
17th
6th
Lucky Numbers
1st
6th
💎
4th
43rd1st
4th
Lucky Tickets
21st
💎
49th
15th
Mandelbrot
💎
Maze
3rd
2nd
72nd
5th
1st
Medal Tally
5th
14th
Minesweeper
25th
8th
Morse Decoder
16th
2nd
7th
Morse Encoder
13th
Multitap Input
4th
N Queens
40th
Nim
4th
32nd
4th
Niven Numbers
1st6th
1st10th1st9th
1st1st
1st1st1st
1st1st
1st
5th1st4th6th1st
1st1st
1st1st1st
1st8th21st
1st1st
8th3rd6th1st3rd3rd
1st
Niven Numbers (Long)
1st4th
💎9th7th13th
6th
1st
4th
19th2nd
1st
14th18th7th
1st
4th8th
1st1st
1st1st16th
1st13th
10th8th1st
4th
Number Spiral
6th
6th
14th
6th
2nd10th
38th3rd3rd
3rd
4th
Odious Numbers
7th1st7th
14th
22nd1st8th1st1st11th1st
6th
11th1st
36th
1st
13th13th12th9th1st9th6th6th
9th3rd2nd20th18th1st4th4th
1st1st
1st1st6th6th4th6th
1st
Odious Numbers (Long)
1st
29th
8th1st1st
1st
1st
1st
6th1st
3rd2nd
1st4th
1st
2nd
Ordinal Numbers
7th4th
24th
1st
9th
1st
1st
5th💎
91st3rd1st
2nd
1st1st
PalindromemordnilaP
1st
1st8th
49th
1st
Pangram Grep
5th
3rd
1st
7th24th
1st
3rd1st
121st6th14th
1st
1st3rd
4th
Partition Numbers
18th
15th5th
3rd
Pascal’s Triangle
12th
29th
7th
1st1st
12th
23rd
5th1st
1st1st10th
2nd
Pernicious Numbers
1st4th
16th
1st1st1st6th
1st1st
1st1st1st
18th
1st1st
13th
1st
1st1st9th1st23rd22nd1st1st
23rd1st1st1st
1st8th1st
7th1st
4th1st1st1st3rd3rd
1st
Pernicious Numbers (Long)
💎
17th
12th
14th
20th17th
6th5th
50th
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
9th
1st
15th
1st
1st
5th
20th1st
1st
15th1st
1st
7th1st
1st1st1st
1st
1st
Proximity Grid
5th
5th
7th2nd
31st
2nd
Quine
1st1st1st
7th2nd21st1st9th1st1st
💎1st1st1st
1st8th1st
1st1st1st1st16th11th
8th1st1st1st1st
1st1st
1st1st1st1st1st1st💎1st
1st1st1st4th1st47th1st
💎
8th8th
Recamán
5th
4th
21st
6th3rd
1st5th
2nd
Repeating Decimals
14th
1st2nd
1st
1st
8th
Reverse Polish Notation
3rd
1st
2nd
1st5th
2nd
Reversi
5th
30th
Rijndael S-box
16th
56th
7th
2nd
Roman to Arabic
25th
10th
1st
3rd
3rd
1st💎
1st1st
1st
4th
ROT13
1st1st
1st
1st
1st
5th
Rule 110
7th
3rd
4th7th
34th
4th
6th
Scrambled Sort
4th
48th
5th
Set
2nd3rd
44th
21st
Seven Segment
4th
SI Units
3rd
11th
Sierpiński Triangle
10th
14th
2nd9th
46th
11th
3rd
Spelling Numbers
1st
💎
18th
Sudoku
10th
Sudoku (Fill-in)
5th
7th
6th2nd
5th
Taxicab Numbers
2nd4th
Tic-tac-toe
15th9th
Time Distance
17th
💎
💎
15th
Tongue-twisters
💎
13th6th4th
22nd
4th
4th6th
41st
5th
6th
6th
55th
4th
20th5th
💎
Tower of Hanoi
3rd
8th1st
15th
Transpose Sentence
24th
1st
1st
12th
3rd2nd
55th
5th
United States
3rd
6th💎
27th1st
14th
4th
Vampire Numbers
17th
Van Eck Sequence
9th
1st22nd
1st
81st
6th
13th
Zeckendorf Representation
9th
💎
61st
10th
Zodiac Signs
2nd
γ
9th
1st
44th
λ
1st
23rd
2nd
💎
5th
1st
7th2nd
52nd
4th
1st
π
1st
1st3rd
81st
10th
τ
1st
1st
14th
10th
φ
18th
19th
21st
1st
1st3rd
1st
8th
1st
10th
√2
21st
1st
1st
1st
1st
1st
1st
𝑒
6th
7th
20th
8th
1st
1st4th
1st8th14th
1st