12 Days of Christmas
19th
15th4th
11th
9th
99 Bottles of Beer
1st4th
2nd
5th
4th
💎
1st1st
3rd
💎
3rd
Abundant Numbers
5th
30th
1st
17th1st
9th9th16th
13th4th1st
3rd
1st2nd
Abundant Numbers (Long)
1st
1st
1st
1st
5th8th
8th4th4th
3rd
Arabic to Roman
1st
1st
2nd
1st💎
1st
10th
4th
9th
Arithmetic Numbers
11th
4th
18th
1st
12th1st
4th
Arrows
8th
Ascending Primes
1st
3rd
6th
6th
ASCII Table
4th
5th
1st
💎3rd
2nd
1st
9th
brainfuck
2nd
2nd
4th💎
2nd
Calendar
1st
Card Number Validation
1st4th
16th
Catalan Numbers
1st
8th
11th
30th
1st
1st
1st
1st
💎
1st
1st
1st
1st
Catalan’s Constant
1st
4th
56th
Christmas Trees
3rd
5th
14th
9th7th
6th
4th
Collatz
5th
11th
3rd
4th6th23rd
12th3rd2nd
5th
Connect Four
6th
Continued Fractions
2nd💎
1st
4th
CSS Colors
10th
3rd
2nd💎26th
34th
5th
Cubes
2nd
Day of Week
3rd4th
1st7th
12th12th
6th1st1st
1st1st
1st
1st
DFA Simulator
3rd
Diamonds
6th
3rd1st
6th
14th
Divisors
3rd
12th
1st
1st
1st
1st
1st12th
1st
7th1st2nd
1st1st13th
1st
7th
9th
1st
Emirp Numbers
3rd
3rd
5th1st
1st
1st
5th
5th
9th
1st4th
5th1st5th
1st
1st3rd
3rd
Emirp Numbers (Long)
3rd
4th6th
2nd
4th
Emojify
3rd
1st
3rd
7th2nd
Evil Numbers
7th
6th
37th24th11th
22nd1st53rd1st1st5th1st
1st
6th1st
42nd
1st
13th8th11th5th1st8th6th1st
1st7th6th15th19th1st5th4th
4th8th
1st3rd1st4th3rd5th
6th
Evil Numbers (Long)
19th
1st1st1st
1st
1st
5th
6th1st
8th3rd
1st
1st
2nd
Factorial Factorisation
7th
4th
1st
Farey Sequence
2nd
22nd
2nd
11th
15th
1st4th1st
5th
1st
Fibonacci
1st71st1st1st3rd22nd
1st2nd
5th
1st1st1st
11th1st12th1st1st1st1st
1st
1st1st1st1st16th
1st1st1st1st1st1st1st1st1st1st1st
1st1st
4th1st3rd1st
1st
6th
Fizz Buzz
8th
1st1st
1st2nd22nd
16th
1st1st1st27th6th
7th
1st
1st1st1st9th14th
7th
1st1st1st
1st4th1st
1st
2nd3rd
6th
1st
Foo Fizz Buzz Bar
1st6th
3rd
1st
4th
4th
9th13th
4th
1st1st2nd
1st4th1st
6th
4th
Forsyth–Edwards Notation
1st6th
7th
1st
5th
Fractions
5th
30th
1st
1st
14th
9th
3rd1st
1st4th4th
1st
1st
Game of Life
6th
5th
8th
1st5th
4th
Gijswijt’s Sequence
3rd
12th
7th
Gray Code Decoder
1st
21st
1st💎1st
1st
1st
Gray Code Encoder
5th
1st
1st
1st1st
1st
1st
Happy Numbers
3rd
1st
6th
1st
1st
1st6th
11th
1st
12th1st
1st
1st
💎1st5th
1st3rd4th
1st
1st1st
💎4th1st
Happy Numbers (Long)
1st
1st
6th
9th
12th9th
2nd
10th
💎1st
1st3rd4th
1st
5th
Hexdump
14th
1st
3rd💎
4th
1st
Intersection
10th
9th3rd
1st
Inventory Sequence
6th
12th
12th
3rd3rd
40th
💎
14th
ISBN
5th
💎
5th
12th
1st
Jacobi Symbol
1st
9th
Kaprekar Numbers
💎5th
Kolakoski Constant
1st
12th
Kolakoski Sequence
2nd13th
1st
14th
32nd
1st
1st5th
19th💎
9th11th
4th
4th
Leap Years
5th
5th
13th
1st
11th
5th
8th17th11th1st
21st
1st8th1st
65th1st1st
21st
Levenshtein Distance
1st1st
1st
14th
1st
1st6th💎
1st
9th
Leyland Numbers
4th
5th
10th
9th
ln 2
1st
1st
1st
6th
Look and Say
5th
6th
1st
26th
14th
1st4th
30th
11th
4th
Lucky Numbers
1st
6th
1st
4th
18th1st
4th
Lucky Tickets
12th
💎
1st
9th
Mandelbrot
💎
Maze
3rd
2nd
57th
2nd
1st
Medal Tally
3rd
9th
Minesweeper
3rd
7th
Morse Decoder
7th
2nd
10th
Morse Encoder
7th
Multitap Input
4th
N Queens
9th
Nim
4th
16th
1st
Niven Numbers
1st6th
1st1st1st1st
1st1st
1st1st1st
1st1st
1st
5th1st4th1st1st
1st1st
1st1st1st
1st8th1st
1st1st
8th3rd1st1st3rd1st
1st
Niven Numbers (Long)
1st4th
💎1st7th10th
1st
1st
4th
19th1st
1st
9th18th7th
1st
4th8th
1st1st
1st1st1st
1st13th
10th8th1st
9th
Number Spiral
6th
6th
4th
6th
2nd10th
8th3rd3rd
4th
4th
Odious Numbers
7th
1st7th
10th
22nd1st4th1st1st11th1st
6th
9th1st
36th
1st
13th13th12th7th1st8th6th1st
9th3rd2nd17th18th1st4th4th
1st1st
1st1st1st6th4th1st
1st
Odious Numbers (Long)
1st
21st
5th1st1st
1st
1st
1st
6th1st
3rd2nd
1st4th
1st
2nd
Ordinal Numbers
7th4th
18th
1st
8th
1st
1st
5th💎
7th1st1st
1st
1st1st
PalindromemordnilaP
1st
1st8th
1st
1st
Pangram Grep
5th
1st
1st
7th24th
1st
3rd1st
50th6th10th
1st
1st3rd
4th
Partition Numbers
18th
1st5th
3rd
Pascal’s Triangle
12th
25th
7th
1st1st
12th
23rd
5th1st
1st1st10th
1st
Pernicious Numbers
1st4th
16th
1st1st1st1st
1st1st
1st1st1st
18th
1st1st
13th
1st
1st1st9th1st23rd22nd1st1st
23rd1st1st1st
1st8th1st
1st1st
3rd1st1st1st3rd1st
1st
Pernicious Numbers (Long)
💎
13th
12th
1st
19th17th
6th5th
42nd
9th
Poker
3rd
Prime Numbers
6th7th
8th7th8th
1st1st
10th
3rd
1st
4th
1st
1st1st
1st1st9th1st
1st1st
1st2nd1st9th1st1st1st
1st
1st1st
5th4th1st
1st
Prime Numbers (Long)
8th
9th
1st
1st
1st
1st
4th
20th1st
1st
11th1st
1st
6th1st
1st1st4th
1st
1st
Proximity Grid
5th
5th
5th2nd
14th
2nd
Quine
1st
1st1st
7th2nd21st1st9th1st1st
💎1st1st1st
1st8th1st
1st1st1st1st16th11th
8th1st1st1st1st
1st1st
1st1st1st1st1st1st💎1st
1st1st1st4th1st47th1st
💎
8th8th
Recamán
5th
6th
6th3rd
10th5th
2nd
Repeating Decimals
1st
1st2nd
1st
1st
1st
Reverse Polish Notation
3rd
1st
2nd
1st5th
1st
Reversi
4th
7th
Rijndael S-box
9th
26th
3rd
2nd
Roman to Arabic
14th
10th
1st
2nd
3rd
1st💎
1st1st
1st
4th
ROT13
1st1st
1st
1st
1st
5th
Rule 110
7th
1st
3rd7th
13th
1st
2nd
Scrambled Sort
4th
14th
3rd
Set
2nd3rd
3rd
16th
Seven Segment
2nd
SI Units
3rd
7th
Sierpiński Triangle
10th
14th
1st9th
32nd
11th
3rd
Spelling Numbers
1st
2nd
5th
Sudoku
12th
Sudoku (Fill-in)
5th
6th
5th2nd
4th
Taxicab Numbers
2nd4th
Tic-tac-toe
15th9th
Time Distance
10th
💎
💎
2nd
Tongue-twisters
1st
13th2nd5th
6th
4th
5th4th
8th
3rd
4th
2nd
6th
💎
3rd9th
💎
Tower of Hanoi
3rd
8th1st
15th
Transpose Sentence
19th
1st
1st
12th
3rd2nd
22nd
1st
United States
3rd
4th💎
19th1st
4th
4th
Vampire Numbers
4th
Van Eck Sequence
9th
1st21st
1st
66th
6th
13th
Zeckendorf Representation
9th
💎
34th
4th
Zodiac Signs
💎
γ
2nd
1st
39th
λ
6th
7th
💎
3rd
7th
7th
5th💎
12th
4th
2nd
π
1st
1st4th
65th
10th
τ
1st
1st
13th
10th
φ
18th
1st
21st
1st
1st4th
1st
8th
1st
10th
√2
1st
1st
1st
1st
1st
1st
1st
𝑒
6th
4th
1st
8th
1st
1st4th
1st8th14th
1st