12 Days of Christmas
15th
8th
24 Game
6th
3rd
5th
99 Bottles of Beer
7th
Abundant Numbers
1st
Abundant Numbers (Long)
1st
Alphabetic Numbers
12th
Arithmetic Numbers
24th
Ascending Primes
6th
Card Number Validation
1st
Catalan Numbers
14th
Catalan’s Constant
5th
4th
Collatz
8th
181st
CSS Colors
3rd
Cubes
48th
5th
Day of Week
44th
5th
51st
DFA Simulator
6th
5th
5th
Divisors
1st
Emirp Numbers
12th
Emirp Numbers (Long)
10th
Evil Numbers
1st
Evil Numbers (Long)
4th
Factorial Factorisation
6th
Fibonacci
1st
40th1st
16th
30th
1st
Fizz Buzz
8th8th11th21st30th26th23rd21st152nd260th95th17th18th30th43rd19th65th15th27th47th15th22nd24th2nd64th17th61st20th22nd98th4th9th43rd28th82nd1st29th40th36th50th49th32nd34th53rd169th149th174th44th237th7th80th12th4th59th21st15th31st16th16th10th54th23rd29th23rd
Fractions
10th
Gijswijt’s Sequence
10th
7th
Gray Code Decoder
1st
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
8th
42nd
Intersection
7th
ISBN
13th
Jacobi Symbol
32nd
Kolakoski Sequence
11th
Leap Years
9th
Levenshtein Distance
35th
4th
Leyland Numbers
16th
ln 2
17th
Lucky Numbers
41st
11th
Lucky Tickets
25th
Mahjong
2nd
Mandelbrot
18th
114th
Maze
22nd
3rd
Medal Tally
25th
Nim
6th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
10th
PalindromemordnilaP
12th
Pangram Grep
1st
7th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
24th
Poker
Prime Numbers
1st
Prime Numbers (Long)
1st
Quine
111th
11th
193rd
90th
28th
Reverse Polish Notation
3rd
Reversi
5th
Rijndael S-box
5th
11th
Rock-paper-scissors-Spock-lizard
104th
Roman to Arabic
12th
ROT13
4th
Scrambled Sort
1st
SI Units
3rd
Sierpiński Triangle
72nd
Smith Numbers
42nd
Spelling Numbers
4th
Sudoku
30th
Sudoku (Fill-in)
29th
Taxicab Numbers
15th
Tic-tac-toe
Time Distance
23rd
Tongue-twisters
11th
Transpose Sentence
1st
Vampire Numbers
39th
γ
37th
λ
72nd
92nd
π
5th
τ
22nd
φ
17th
√2
33rd
17th
44th
𝑒
21st
52nd
22nd