12 Days of Christmas
3rd
2nd
5th
24 Game
💎
💎
💎
99 Bottles of Beer
3rd
1st
10th
Abundant Numbers
8th
6th
7th
3rd
19th1st
48th
13th1st2nd
23rd
9th
Abundant Numbers (Long)
9th
1st
18th1st
30th
12th1st4th
16th
4th
Arabic to Roman
5th1st
1st
💎
9th1st
1st
Arithmetic Numbers
3rd
11th
6th
1st
2nd
Arrows
1st
💎
2nd
Ascending Primes
2nd
6th
2nd
1st
ASCII Table
1st
3rd
1st
Billiards
4th
2nd💎
💎
💎
3rd
1st
💎
2nd
brainfuck
6th
4th
2nd
7th
Card Number Validation
5th
2nd
7th
8th
1st
7th
1st
6th
Catalan Numbers
8th7th
1st11th
10th3rd
8th
1st
13th1st
1st5th
1st
6th
7th
1st
1st
4th
3rd
Catalan’s Constant
2nd
💎
4th
1st
💎
1st
Christmas Trees
5th
💎
3rd
Collatz
7th
1st
1st
1st
7th
15th
CSS Colors
1st
9th
💎
1st
5th
Cubes
5th
💎
11th
Day of Week
1st
6th
1st
1st
1st
1st
1st1st
1st
1st
1st
1st
18th
DFA Simulator
2nd
3rd
2nd
Diamonds
💎
15th
4th
1st
9th
Divisors
3rd11th1st
1st
1st
6th
11th1st20th
23rd10th
1st1st
5th6th14th
1st1st
1st1st
Emirp Numbers
1st1st
1st1st
1st
1st
2nd10th1st
1st
1st
1st
3rd1st
Emirp Numbers (Long)
1st
1st
1st
1st
27th
Emojify
1st
1st
1st
Evil Numbers
8th
8th12th
21st8th13th1st
1st5th1st20th8th1st1st
1st7th
1st7th8th28th1st
8th14th6th13th1st7th
1st7th14th19th24th5th1st
17th
11th
Evil Numbers (Long)
8th
4th7th
27th7th13th1st
1st1st19th6th1st
1st5th
11th9th
1st
6th10th
4th1st4th
1st2nd4th21st8th5th
12th
Factorial Factorisation
2nd
2nd
3rd
Farey Sequence
17th
8th
1st
1st
1st
1st
Fibonacci
12th6th3rd1st
8th1st1st18th6th8th3rd10th15th1st1st
1st11th
1st1st1st1st
1st1st1st23rd
1st1st4th1st17th5th22nd1st1st1st8th19th7th8th1st
1st
Fizz Buzz
8th16th11th
1st1st1st12th
1st
8th
5th2nd
7th6th13th9th11th
1st1st1st9th
1st12th3rd
8th1st1st
1st1st17th1st15th
6th1st
11th
Foo Fizz Buzz Bar
9th10th
16th
1st
5th
9th
6th10th
5th31st1st14th
2nd
4th
10th1st1st
1st6th14th
8th
Forsyth–Edwards Notation
5th
2nd
6th
Fractions
1st
1st
9th9th
1st
1st
1st
Game of Life
8th
4th
3rd
12th
Gijswijt’s Sequence
1st
2nd
1st
Happy Numbers
28th
1st1st
11th
1st
1st
1st19th6th10th
1st
1st
1st
1st11th
10th
5th
Happy Numbers (Long)
19th
1st
6th9th
2nd
1st
34th
Hexdump
4th
2nd
1st
Intersection
3rd
2nd
5th
Inventory Sequence
💎
4th
💎
ISBN
3rd
1st
4th
Jacobi Symbol
5th
1st
3rd
8th
Kaprekar Numbers
8th
1st
2nd
2nd
1st
1st
4th
Kolakoski Constant
6th
2nd
14th
💎
2nd
Kolakoski Sequence
1st
4th
1st
26th
Leap Years
5th
6th
1st
4th
5th
1st
7th
1st
2nd
33rd
6th
3rd
Levenshtein Distance
1st
1st9th
1st
3rd
20th
1st
1st
1st
Leyland Numbers
1st
1st
1st
ln 2
1st
1st
💎
1st
1st
Look and Say
9th
40th
1st
17th
10th
Lucky Numbers
2nd
💎
3rd
Lucky Tickets
6th
1st
1st
1st
1st
Mahjong
3rd
🦄
4th
Maze
3rd
3rd
6th
Medal Tally
2nd
3rd
1st
Morse Decoder
1st
2nd
1st
Morse Encoder
4th
2nd
6th
Musical Chords
2nd
1st
3rd
N Queens
6th
💎
8th
Niven Numbers
14th9th1st1st13th28th1st22nd1st
1st1st8th18th1st1st1st1st1st1st6th
1st1st1st
18th1st1st12th1st25th1st1st1st1st12th13th26th23rd
1st1st14th6th1st7th8th9th1st1st1st12th1st12th
Niven Numbers (Long)
11th7th8th1st
18th1st12th13th
1st5th14th7th3rd12th1st1st10th4th
1st1st20th
1st1st
1st23rd1st4th1st1st8th8th24th
1st11th11th1st1st5th
3rd1st10th1st
3rd5th
Number Spiral
5th
2nd
8th
Odious Numbers
9th
7th12th
20th8th10th2nd
1st4th1st22nd9th1st1st
1st7th
1st6th8th24th1st
7th11th6th11th1st6th
1st7th13th26th20th6th1st
16th
Odious Numbers (Long)
9th
4th10th
36th7th9th1st
5th1st18th6th1st
1st6th
6th8th
1st
6th11th
4th1st3rd
1st3rd4th18th3rd7th
12th
Ordinal Numbers
18th
10th
1st
5th
1st
3rd
14th
4th
14th1st
PalindromemordnilaP
5th
1st
4th
3rd
1st
4th
3rd
2nd
1st
5th
5th11th
Pangram Grep
5th
5th
1st
7th
12th
7th
1st
10th5th7th
1st
8th
22nd
1st1st17th45th23rd
3rd
Partition Numbers
2nd3rd1st1st6th4th2nd4th1st3rd2nd1st5th3rd2nd2nd2nd2nd
2nd1st1st3rd3rd
2nd2nd2nd
3rd
1st1st1st💎💎2nd2nd💎
2nd2nd
2nd2nd3rd
1st💎1st
1st1st
Pascal’s Triangle
7th
1st
2nd
6th
1st
19th1st
1st
10th
1st1st9th1st
Pernicious Numbers
1st8th1st1st15th1st1st1st1st
1st1st12th16th1st1st1st1st1st7th4th
1st1st10th1st4th1st1st5th11th
1st1st1st1st1st1st1st1st
1st1st1st1st1st8th3rd7th1st1st1st9th1st13th
Pernicious Numbers (Long)
1st
1st6th
3rd
7th
1st
1st
Poker
1st
1st
3rd
Polyominoes
4th
3rd
5th
Prime Numbers
9th11th
12th28th
27th1st
1st1st
1st
1st
3rd34th4th1st1st
1st
15th1st1st1st1st
1st
1st
1st1st1st
1st
Prime Numbers (Long)
12th
8th
1st
1st
19th4th
1st
1st
11th1st1st
1st
4th1st1st
Proximity Grid
4th
4th
9th
QR Decoder
2nd
2nd
5th
Quine
1st5th1st
1st
9th6th
2nd1st
1st4th1st
7th1st
1st1st1st1st8th1st1st1st1st
3rd1st11th1st1st1st
1st1st
1st1st11th1st
1st
12th2nd
1st
Recamán
1st
💎
1st
Repeating Decimals
1st
1st
1st
Reverse Polish Notation
6th
1st
1st
💎
2nd
Reversi
5th
1st
8th
Rijndael S-box
9th
💎
8th
2nd
5th
Rock-paper-scissors-Spock-lizard
1st
3rd
1st
Roman to Arabic
4th
1st
5th
1st1st
9th
ROT13
3rd
4th
2nd
1st
1st
1st1st
Rule 110
1st
3rd
1st
Set
1st
3rd
2nd
4th
💎
1st
4th
Seven Segment
15th
2nd
💎
4th
SI Units
3rd
3rd
6th
Sierpiński Triangle
6th3rd
4th
1st
Smith Numbers
4th
2nd
10th
Spelling Numbers
1st1st
2nd
6th
Star Wars Opening Crawl
8th
💎
10th
Sudoku
3rd
💎
6th
Sudoku (Fill-in)
2nd
💎
6th
Ten-pin Bowling
8th
3rd
13th
Tic-tac-toe
3rd
1st
10th
3rd
1st
9th
5th
3rd7th
8th
Time Distance
5th
💎
5th
Tongue-twisters
3rd5th
3rd
9th7th
7th
Transpose Sentence
1st
1st
1st
2nd
United States
7th
2nd
9th1st
Vampire Numbers
3rd
3rd
7th
Van Eck Sequence
2nd
1st
1st
Zeckendorf Representation
4th
3rd
4th
Zodiac Signs
4th
1st
3rd
γ
2nd
1st💎
2nd
4th
1st
💎
💎
λ
5th
1st
9th
7th
π
9th
3rd
3rd
11th
22nd
1st
💎
4th
10th
43rd
τ
9th
1st
3rd
22nd
1st
💎
4th
7th
φ
8th
1st17th
4th
1st
1st
1st
1st
1st
1st
17th
√2
8th
1st
1st
14th
1st
1st
1st
1st
𝑒
4th
1st
1st
1st
1st
5th
1st
15th