12 Days of Christmas
13th
4th
24 Game
6th
3rd
5th
99 Bottles of Beer
3rd
Abundant Numbers
1st
Abundant Numbers (Long)
1st
Alphabetic Numbers
7th
Arithmetic Numbers
19th
Card Number Validation
1st
Catalan Numbers
10th
Catalan’s Constant
4th
3rd
Collatz
5th
172nd
CSS Colors
2nd
Cubes
46th
💎
Day of Week
49th
4th
48th
DFA Simulator
6th
4th
4th
Divisors
1st
Emirp Numbers
9th
Emirp Numbers (Long)
7th
Evil Numbers
1st
Evil Numbers (Long)
1st
Fibonacci
1st
38th1st
16th
29th
1st
Fizz Buzz
8th8th8th19th29th26th21st21st147th258th93rd13th17th29th41st19th63rd8th26th46th14th22nd24th2nd64th17th60th20th22nd97th4th5th42nd28th79th1st29th40th36th50th48th32nd33rd52nd165th147th172nd44th224th7th80th12th4th58th21st15th30th16th15th10th54th23rd29th18th
Fractions
7th
Gijswijt’s Sequence
9th
7th
Happy Numbers
1st
Happy Numbers (Long)
5th
38th
Intersection
4th
ISBN
9th
Jacobi Symbol
31st
Kolakoski Sequence
10th
Leap Years
8th
Levenshtein Distance
32nd
Leyland Numbers
14th
ln 2
12th
Lucky Numbers
40th
9th
Lucky Tickets
23rd
Mandelbrot
18th
107th
Maze
21st
Medal Tally
24th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
10th
Pangram Grep
1st
7th
Pascal’s Triangle
1st
Pernicious Numbers
21st
Pernicious Numbers (Long)
19th
Poker
2nd
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
107th
6th
185th
83rd
25th
Reverse Polish Notation
3rd
Rijndael S-box
2nd
11th
Rock-paper-scissors-Spock-lizard
105th
Roman to Arabic
9th
ROT13
1st
Scrambled Sort
1st
Sierpiński Triangle
74th
Smith Numbers
40th
Spelling Numbers
3rd
Sudoku
29th
Sudoku (Fill-in)
27th
Taxicab Numbers
13th
Tic-tac-toe
5th
Time Distance
23rd
Tongue-twisters
7th
Vampire Numbers
37th
γ
36th
λ
71st
90th
π
21st
τ
17th
φ
13th
√2
33rd
13th
41st
𝑒
16th
49th
21st