12 Days of Christmas
💎
1st
351st
24 Game
2nd
8th
72nd
99 Bottles of Beer
2nd
24th
1st
29th
279th17th
Abundant Numbers
15th
4th
7th
178th
Abundant Numbers (Long)
3rd
4th
Arabic to Roman
1st
1st
Arithmetic Numbers
12th
2nd
1st
Arrows
5th
12th21st
Ascending Primes
1st
8th
7th4th
10th2nd
ASCII Table
11th
4th
36th
17th25th
300th
Billiards
5th
brainfuck
💎
💎
2nd
Card Number Validation
1st
1st
1st
6th
Catalan Numbers
1st
3rd22nd
1st
69th
Catalan’s Constant
5th
8th
Christmas Trees
💎
1st
Collatz
1st
2nd
17th
1st
86th
45th
CSS Colors
3rd
4th
Cubes
2nd
3rd
Day of Week
1st
21st
1st
1st
DFA Simulator
20th
Diamonds
1st
1st
Divisors
11th5th
1st
49th
1st
17th
746th40th
99th
Emirp Numbers
3rd
4th
32nd
Emirp Numbers (Long)
3rd
12th
Emojify
5th
2nd
Evil Numbers
8th1st
2nd
2nd1st
1st5th
1st1st
4th
20th10th1st87th1st18th
97th1st
7th
1st
Evil Numbers (Long)
1st
21st
11th1st
1st
13th1st
7th
1st
40th
Factorial Factorisation
3rd
3rd
5th
Farey Sequence
1st
8th1st4th6th
1st
1st
1st
Fibonacci
7th1st
8th
49th4th
11th3rd
12th
1st
24th
42nd
1st44th7th
Fizz Buzz
54th1st
31st512th
1st
43rd1st94th
78th
228th165th32nd
1st132nd
260th99th
208th1st333rd1st78th
69th310th
53rd154th
Foo Fizz Buzz Bar
13th
2nd
1st
5th5th
1st
1st
Forsyth–Edwards Notation
4th
10th
Fractions
2nd
1st
1st
13th
4th
Game of Life
3rd
8th14th
Gijswijt’s Sequence
5th
7th
16th
76th
Happy Numbers
5th
1st
32nd
Happy Numbers (Long)
5th
1st
Hexdump
7th
13th
32nd
17th
Intersection
2nd
3rd
Inventory Sequence
6th
30th
9th
140th
ISBN
2nd
1st5th
Jacobi Symbol
3rd
13th13th
Kaprekar Numbers
3rd3rd💎5th2nd
1st1st
2nd
3rd1st
4th
2nd
32nd
7th
3rd
Kolakoski Constant
3rd
6th
Kolakoski Sequence
5th
4th
9th
Leap Years
5th1st
7th
4th
4th
1st
7th
12th
Levenshtein Distance
2nd
8th
Leyland Numbers
4th
5th
ln 2
5th
1st
11th
1st
Look and Say
1st
1st
21st
Lucky Numbers
7th
13th
23rd
42nd
Lucky Tickets
3rd
9th1st
9th
Mahjong
2nd
4th9th
50th
Maze
4th
12th
Medal Tally
5th
11th
Morse Decoder
4th
2nd
Morse Encoder
4th
4th6th
Musical Chords
2nd
4th
85th
N Queens
3rd
10th
1st6th
5th
💎
💎2nd
5th
5th1st9th
4th
2nd
2nd3rd
10th2nd
Niven Numbers
20th1st
1st
1st
1st
4th
1st
1st
Niven Numbers (Long)
11th
6th
1st
6th
Number Spiral
5th
4th
6th
17th
Odious Numbers
4th8th6th
2nd
27th2nd
1st4th
1st
14th
3rd
1st18th
16th
7th
Odious Numbers (Long)
1st
1st
23rd1st
5th
1st
6th
1st
35th
Ordinal Numbers
3rd
12th
1st
4th
PalindromemordnilaP
2nd
4th
7th
Pangram Grep
8th
10th
16th
Pascal’s Triangle
12th
39th
6th
28th11th
362nd17th
Pernicious Numbers
8th1st
1st
1st1st
1st1st19th27th19th20th12th
25th
1st1st33rd
8th24th23rd
24th1st28th1st18th
43rd1st
14th15th1st
17th
Pernicious Numbers (Long)
4th
1st6th
Poker
17th
50th
Polyominoes
3rd
4th6th
6th
54th
10th
Prime Numbers
11th1st
38th
1st
1st1st
1st
9th36th1st26th
152nd18th
Prime Numbers (Long)
1st
2nd
1st
1st
7th
1st
1st
Proximity Grid
2nd
7th💎
QR Decoder
4th
18th
13th
49th
Quine
1st
1st2nd2nd90th58th
3rd
11th26th1st
66th42nd
83rd72nd10th61st51st1st65th
10th1st51st
50th32nd
56th74th
1st92nd
1st64th
Recamán
4th
1st
18th
13th
33rd
Repeating Decimals
4th
17th
Reverse Polish Notation
6th
8th
34th
Reversi
5th
2nd
1st
Rijndael S-box
2nd
15th
75th
Rock-paper-scissors-Spock-lizard
6th
6th
Roman to Arabic
5th
7th
19th
ROT13
💎
9th
3rd
4th
8th
29th
7th
Rule 110
5th
15th8th
Seven Segment
6th
10th13th
7th
SI Units
11th
Sierpiński Triangle
8th1st
8th
1st2nd
6th
7th1st
3rd
12th1st
24th12th
3rd
Smith Numbers
4th
3rd
6th
Spelling Numbers
3rd
6th
Star Wars Opening Crawl
25th
116th
Sudoku
3rd
12th
Sudoku (Fill-in)
4th
12th
Ten-pin Bowling
5th
25th
81st
Tic-tac-toe
1st
1st
3rd3rd
3rd
56th
3rd
Time Distance
26th
22nd
111th
Tongue-twisters
2nd
13th
8th
38th
Transpose Sentence
3rd
4th
3rd
United States
1st
3rd
Vampire Numbers
3rd
17th
Van Eck Sequence
5th
13th1st
Zeckendorf Representation
3rd
6th
2nd
55th
Zodiac Signs
3rd
11th
γ
8th
5th
8th
λ
3rd
12th
π
5th
5th
11th
τ
4th
11th
φ
1st
1st
√2
1st
1st
1st
1st
𝑒
6th
28th
4th
1st
1st
1st15th3rd
8th