12 Days of Christmas
16th
14th
261st
25th
99 Bottles of Beer
1st4th
2nd
5th
7th
💎
6th1st
💎
7th
Abundant Numbers
3rd
24th
17th1st
3rd2nd18th
12th1st11th
1st
3rd2nd
Abundant Numbers (Long)
19th
1st
1st
4th7th
71st1st12th
3rd
Arabic to Roman
1st
1st
2nd
2nd💎
17th
19th
4th
8th
Arithmetic Numbers
10th
24th
16th
1st
70th
6th
Arrows
7th
Ascending Primes
1st
1st
7th
11th
ASCII Table
4th
5th
4th
3rd2nd
5th
1st
9th
brainfuck
2nd
2nd
3rd2nd
💎
Card Number Validation
1st3rd
14th
Catalan Numbers
1st
7th
11th
25th
1st
1st
1st
2nd
2nd
1st
1st
1st
Catalan’s Constant
1st
4th
51st
Christmas Trees
4th
10th
8th7th
90th
3rd
Collatz
7th11th
1st
3rd6th21st
105th
7th
5th
CSS Colors
10th
4th
2nd2nd23rd
81st
2nd
Cubes
💎
Day of Week
1st4th
1st1st
17th8th
1st1st
1st7th
1st
1st
DFA Simulator
💎
Diamonds
6th
3rd
8th
24th
Divisors
3rd
11th
5th
1st
1st
1st11th
1st
3rd1st2nd
1st1st13th
2nd
8th
8th
1st
Emirp Numbers
4th3rd
5th18th
10th
23rd
12th
6th
3rd4th
14th7th7th
18th
3rd2nd
3rd
Emirp Numbers (Long)
4th
4th4th
1st
14th
Emojify
3rd
45th
3rd
6th1st
Evil Numbers
7th
6th
33rd32nd14th
22nd
1st1st6th1st
1st
24th1st
8th7th
8th1st6th6th
1st7th6th18th
1st4th4th
1st8th
1st2nd10th4th3rd8th
6th
Evil Numbers (Long)
20th
8th1st1st
1st
1st
5th1st
7th8th
1st
1st
2nd
Factorial Factorisation
3rd
12th
Farey Sequence
2nd
19th
17th
7th
15th
1st4th1st
1st
5th
Fibonacci
1st1st1st3rd18th
3rd1st1st
6th
1st1st1st
11th
1st10th1st1st1st
1st1st1st1st16th1st1st1st1st1st1st1st1st1st1st10th
1st1st
4th1st3rd1st
1st
6th
Fizz Buzz
8th1st1st
1st2nd21st
28th1st1st27th4th
7th
5th
1st1st1st18th11th7th
3rd1st1st
1st5th1st
3rd
2nd3rd
6th
1st
Foo Fizz Buzz Bar
1st6th
4th
31st
4th
8th
13th10th4th
💎1st4th
1st2nd6th
20th
3rd
Forsyth–Edwards Notation
1st6th
5th
5th
5th
Fractions
4th
29th
1st
1st
12th
8th
2nd1st
1st3rd5th
1st
4th
Game of Life
6th
5th
5th
1st4th
8th
Gijswijt’s Sequence
3rd
7th
Happy Numbers
10th1st
6th
23rd
1st
25th7th14th
17th3rd
1st4th
6th5th15th
27th7th13th
1st
3rd2nd
4th4th3rd
Happy Numbers (Long)
18th
1st
7th
12th8th
1st9th
💎1st
18th3rd9th
2nd
6th
Hexdump
21st
3rd
4th💎
50th
15th
Intersection
25th
87th3rd
6th
Inventory Sequence
5th
14th
12th
3rd3rd
52nd
💎
14th
ISBN
5th
2nd
3rd
3rd
1st
Jacobi Symbol
1st
17th
Kolakoski Constant
5th
13th
Kolakoski Sequence
15th
1st
11th
22nd1st
1st5th
53rd
10th10th
4th
5th
Leap Years
5th
13th
1st8th
58th13th15th3rd15th
1st18th24th
52nd1st6th
19th
Levenshtein Distance
1st14th
1st
11th
1st
19th4th💎
16th
7th
Leyland Numbers
29th
5th
86th
17th
ln 2
1st
1st
5th
Look and Say
3rd
6th
1st
23rd13th
1st3rd
79th
15th
4th
Lucky Numbers
1st
5th
💎
3rd
37th1st
3rd
Lucky Tickets
17th
6th
41st
14th
Maze
💎
2nd
56th
2nd
1st
Medal Tally
4th
11th
Minesweeper
16th
4th
Morse Decoder
16th
2nd
7th
Morse Encoder
13th
Niven Numbers
1st5th
1st9th1st9th
26th1st
1st1st1st
1st1st
1st1st1st6th1st1st1st
1st1st1st
1st7th18th
1st1st
8th2nd6th1st3rd3rd
1st
Niven Numbers (Long)
1st3rd
7th8th7th13th
5th
1st
3rd
15th2nd
10th16th5th
1st3rd8th
1st1st
1st1st13th
1st10th
10th8th1st
3rd
Number Spiral
5th
5th
13th
6th
2nd10th
32nd2nd2nd
💎
4th
Odious Numbers
7th
6th
16th27th
24th8th1st1st5th1st
6th
22nd1st
9th39th
8th1st6th6th
7th3rd3rd18th18th1st2nd4th
1st1st
1st1st11th
4th13th
1st
Odious Numbers (Long)
4th
28th
8th1st1st
1st
1st
4th1st
3rd3rd
1st2nd
1st
2nd
Ordinal Numbers
6th4th
29th
1st
8th
1st
1st
4th💎
87th3rd1st
2nd
1st1st
PalindromemordnilaP
10th
Pangram Grep
4th
3rd
6th22nd
1st
3rd1st
108th5th12th
2nd
1st3rd
3rd
Pascal’s Triangle
12th
26th
5th
1st
9th
21st
4th1st
1st1st10th
2nd
Pernicious Numbers
1st4th
9th
1st1st1st6th
24th1st
1st1st1st
19th
1st1st13th
1st1st8th1st19th1st1st
17th1st1st1st
1st7th1st
6th1st
4th1st18th1st3rd3rd
1st
Pernicious Numbers (Long)
💎
16th
11th
10th13th
5th3rd
42nd
6th
Poker
3rd
Prime Numbers
6th7th
5th6th13th
25th18th
8th
3rd
1st
4th1st
1st
1st1st9th1st1st7th
1st2nd1st9th1st1st1st
1st
1st1st
4th4th4th
1st
Prime Numbers (Long)
5th
5th
1st
13th
1st
1st
5th
1st
1st
14th1st1st
1st
1st1st1st
1st
1st
Proximity Grid
4th
3rd
4th1st
26th
1st
Quine
1st1st1st
6th2nd22nd1st7th1st7th
💎1st1st1st
1st7th1st
1st1st12th
8th1st1st1st1st
1st14th
1st1st1st1st1st1st💎1st
1st1st
3rd1st47th1st
💎3rd6th2nd
Recamán
8th
4th
21st
5th3rd
1st2nd
2nd
Repeating Decimals
11th
1st2nd
1st
1st
8th
Reverse Polish Notation
1st
1st
2nd
1st2nd
2nd
Reversi
4th
24th
Rijndael S-box
14th
7th
2nd
Roman to Arabic
24th
10th
1st
3rd
3rd
1st2nd
1st1st
💎
4th
ROT13
1st1st
53rd
1st
1st
4th
Rule 110
7th
3rd
3rd
32nd
3rd
5th
Scrambled Sort
3rd
34th
4th
Seven Segment
4th
SI Units
2nd
7th
Sierpiński Triangle
14th
13th
2nd8th
37th
10th
3rd
Spelling Numbers
1st
💎
16th
Sudoku
8th
Sudoku (Fill-in)
5th
5th
2nd💎
5th
Tic-tac-toe
11th9th
Time Distance
15th
💎
💎
12th
Tongue-twisters
💎
12th5th3rd
20th
4th
3rd5th
40th
5th
4th
6th
50th
4th
17th3rd
💎
Transpose Sentence
23rd
1st
11th
3rd💎
47th
5th
United States
2nd
5th💎
23rd1st
13th
3rd
Vampire Numbers
18th
Van Eck Sequence
7th
19th
8th
68th
5th
13th
Zeckendorf Representation
9th
💎
50th
8th
Zodiac Signs
2nd
γ
9th
1st
28th
λ
1st
19th
2nd
💎
2nd
1st
3rd2nd
39th
2nd
1st
π
1st
1st2nd
67th
8th
τ
1st
1st
12th
9th
φ
18th
17th
17th
1st
1st2nd
1st
7th
1st
9th
√2
19th
1st
1st
1st
1st
1st
𝑒
6th
7th
18th
1st
1st3rd
1st
13th
1st