12 Days of Christmas
16th
13th
205th
9th
99 Bottles of Beer
1st4th
2nd
5th
3rd
💎
1st1st
3rd
💎
3rd
Abundant Numbers
5th
29th
17th1st
8th9th15th
12th2nd1st
3rd
1st2nd
Abundant Numbers (Long)
1st
1st
1st
4th8th
8th2nd4th
3rd
Arabic to Roman
1st
1st
2nd
1st💎
1st
10th
4th
9th
Arithmetic Numbers
11th
4th
17th
1st
24th1st
4th
Arrows
8th
Ascending Primes
1st
3rd
6th
5th
ASCII Table
4th
5th
1st
💎2nd
2nd
1st
9th
brainfuck
2nd
2nd
3rd💎
2nd
Card Number Validation
1st4th
15th
Catalan Numbers
1st
8th
11th
26th
1st
1st
1st
💎
1st
1st
1st
1st
Catalan’s Constant
1st
4th
47th
Christmas Trees
3rd
4th
11th
8th7th
6th
4th
Collatz
4th11th
2nd
3rd6th22nd
10th1st2nd
5th
Continued Fractions
2nd💎
1st
4th
CSS Colors
10th
3rd
💎💎24th
29th
5th
Cubes
2nd
Day of Week
3rd4th
1st1st
18th11th
5th1st1st
1st1st
1st
1st
DFA Simulator
2nd
Diamonds
6th
2nd1st
6th
25th
Divisors
3rd
11th
1st
1st
1st
1st12th
1st
6th1st2nd
1st1st12th
1st
7th
9th
1st
Emirp Numbers
3rd
3rd
5th1st
1st
1st
5th
5th
1st4th
5th1st5th
1st
1st3rd
3rd
Emirp Numbers (Long)
3rd
4th6th
2nd
3rd
Emojify
2nd
1st
3rd
7th2nd
Evil Numbers
7th
14th6th
35th25th10th
21st1st51st1st1st5th1st
1st
5th1st42nd
12th7th11th5th1st8th6th1st
1st7th6th14th19th1st4th4th
4th8th
1st2nd1st4th3rd5th
6th
Evil Numbers (Long)
18th
1st1st1st
1st
1st
5th1st
7th8th
1st
1st
2nd
Factorial Factorisation
6th
4th
1st
Farey Sequence
2nd
21st
1st
8th
15th
1st4th1st
1st
5th
Fibonacci
1st67th1st1st3rd20th
1st1st1st
5th
1st1st1st
11th1st12th1st1st1st
1st1st1st1st16th
1st1st1st1st1st1st1st1st1st1st1st
1st1st
4th1st3rd1st
1st
6th
Fizz Buzz
8th
1st1st
1st2nd22nd
1st1st1st28th5th
7th
1st
1st1st1st9th13th
7th
1st1st1st
1st3rd1st
1st
2nd3rd
6th
1st
Foo Fizz Buzz Bar
1st6th
4th
1st
4th
4th
9th12th
4th
1st1st1st
1st2nd1st
6th
3rd
Forsyth–Edwards Notation
1st6th
7th
1st
5th
Fractions
5th
26th
1st
1st
13th
9th
2nd1st
1st3rd4th
1st
1st
Game of Life
6th
5th
8th
1st4th
3rd
Gijswijt’s Sequence
3rd
8th
7th
Gray Code Decoder
💎
1st
5th
Gray Code Encoder
5th
1st
1st1st
1st
1st
Happy Numbers
3rd
1st
6th
1st
1st
1st6th11th
12th1st
1st
1st
💎1st4th
1st2nd4th
1st
1st1st
💎4th1st
Happy Numbers (Long)
3rd
1st
6th
12th8th
2nd
9th
💎1st
7th3rd3rd
1st
5th
Hexdump
15th
1st
3rd💎
25th
1st
Intersection
10th
9th3rd
1st
Inventory Sequence
6th
12th
12th
3rd3rd
34th
💎
14th
ISBN
5th
💎
5th
12th
1st
Jacobi Symbol
1st
9th
Kolakoski Constant
1st
12th
Kolakoski Sequence
2nd13th
1st
12th
30th
1st
1st5th
16th💎
9th11th
4th
4th
Leap Years
5th
5th
13th
1st9th
6th17th11th1st
18th
1st8th1st
61st1st1st
21st
Levenshtein Distance
1st15th
1st
14th
1st
1st4th💎
1st
8th
Leyland Numbers
4th
5th
8th
8th
ln 2
1st
1st
5th
Look and Say
4th
6th
1st
26th
14th
1st3rd
26th
10th
4th
Lucky Numbers
1st
6th
1st
3rd
35th1st
4th
Lucky Tickets
10th
💎
1st
12th
Mandelbrot
💎
Maze
3rd
2nd
57th
2nd
1st
Medal Tally
3rd
9th
Minesweeper
3rd
5th
Morse Decoder
7th
2nd
9th
Morse Encoder
7th
Multitap Input
3rd
Niven Numbers
1st6th
1st1st1st1st
1st1st
1st1st1st
1st1st
4th1st3rd1st1st
1st1st
1st1st1st
1st7th1st
1st1st
8th2nd1st1st3rd1st
1st
Niven Numbers (Long)
1st3rd
💎1st7th10th
1st
1st
4th
18th1st
10th17th7th
1st
4th8th
1st1st
1st1st1st
1st13th
10th8th1st
9th
Number Spiral
5th
6th
3rd
6th
2nd10th
5th2nd3rd
2nd
4th
Odious Numbers
7th
6th6th
9th10th
21st1st4th1st1st4th1st
6th
8th1st35th
12th11th12th6th1st8th6th1st
9th3rd3rd16th18th1st2nd4th
1st1st
1st1st1st5th4th1st
1st
Odious Numbers (Long)
4th
21st
5th1st1st
1st
1st
5th1st
3rd3rd
1st2nd
1st
2nd
Ordinal Numbers
7th4th
18th
1st
8th
1st
1st
4th💎
7th1st1st
1st
1st1st
PalindromemordnilaP
1st7th
Pangram Grep
4th
1st
7th23rd
1st
3rd1st
45th5th10th
1st
1st3rd
3rd
Partition Numbers
18th
2nd4th
3rd
Pascal’s Triangle
13th
25th
5th
1st
11th
22nd
4th1st
1st1st10th
1st
Pernicious Numbers
1st4th
12th
1st1st1st1st
1st1st
1st1st1st
14th
1st1st13th
1st1st8th1st22nd20th1st1st
19th1st1st1st
1st7th1st
1st1st
3rd1st1st1st3rd1st
1st
Pernicious Numbers (Long)
💎
13th
11th
15th15th
6th5th
39th
8th
Poker
3rd
Prime Numbers
6th7th
8th7th8th
1st1st
10th
3rd
1st
4th1st
1st
1st1st9th1st
1st1st
1st2nd1st9th1st1st1st
1st
1st1st
5th4th1st
1st
Prime Numbers (Long)
7th
8th
1st
1st
1st
1st
4th
1st
1st
11th1st
1st
1st
1st1st4th
1st
1st
Proximity Grid
5th
6th
4th2nd
12th
2nd
Quine
1st
1st1st
6th2nd19th1st7th1st7th
💎1st1st1st
1st8th1st
1st1st15th
8th1st1st1st1st
1st14th
1st1st1st1st1st1st💎1st
1st1st
3rd1st47th1st
💎4th7th5th
Recamán
9th
4th
6th
5th3rd
8th3rd
2nd
Repeating Decimals
1st
1st2nd
1st
1st
1st
Reverse Polish Notation
3rd
1st
2nd
1st2nd
1st
Reversi
4th
5th
Rijndael S-box
9th
22nd
3rd
2nd
Roman to Arabic
14th
10th
1st
2nd
3rd
1st2nd
1st1st
1st
4th
ROT13
1st1st
1st
1st
1st
5th
Rule 110
7th
1st
2nd7th
12th
1st
2nd
Scrambled Sort
4th
11th
3rd
Seven Segment
2nd
SI Units
3rd
5th
Sierpiński Triangle
14th
13th
1st9th
29th
11th
3rd
Spelling Numbers
1st
2nd
5th
Sudoku
11th
Sudoku (Fill-in)
5th
5th
3rd💎
4th
Taxicab Numbers
2nd2nd
Tic-tac-toe
12th9th
Time Distance
10th
💎
💎
2nd
Tongue-twisters
1st
12th2nd4th
6th
4th
4th3rd
6th
3rd
3rd
2nd
5th
💎
3rd9th
💎
Tower of Hanoi
3rd
8th1st
14th
Transpose Sentence
19th
1st
12th
3rd💎
22nd
1st
United States
3rd
3rd💎
17th1st
4th
3rd
Vampire Numbers
4th
Van Eck Sequence
9th
20th
1st
63rd
6th
13th
Zeckendorf Representation
9th
💎
31st
3rd
Zodiac Signs
💎
γ
2nd
1st
34th
λ
6th
7th
2nd
3rd
3rd
6th
3rd💎
8th
4th
2nd
π
1st
1st4th
60th
10th
τ
1st
1st
13th
9th
φ
18th
1st
19th
1st
1st4th
1st
8th
1st
10th
√2
1st
1st
1st
1st
1st
1st
𝑒
6th
4th
1st
1st
1st4th
1st8th13th
1st