12 Days of Christmas
2nd
Abundant Numbers
4th
Arithmetic Numbers
2nd
54th
Arrows
4th
Ascending Primes
π
Christmas Trees
π
Collatz
111th
CSS Colors
2nd
DFA Simulator
π
Diamonds
1st
Divisors
6th
106th
Evil Numbers
8th
1st
Factorial Factorisation
4th
Fibonacci
9th45th39th161st
Fizz Buzz
4th
14th193rd
Foo Fizz Buzz Bar
2nd
Fractions
π
Intersection
107th
Leap Years
4th
22nd104th
Levenshtein Distance
2nd
Leyland Numbers
2nd
Look and Say
π
Medal Tally
π
Morse Decoder
4th
Musical Chords
π
41st
Niven Numbers
7th
Niven Numbers (Long)
4th
52nd
Odious Numbers
7th
1st
Ordinal Numbers
4th
82nd
Pernicious Numbers
4th
Poker
π
53rd
Prime Numbers
25th
Quine
1st
63rd
RecamΓ‘n
4th
Repeating Decimals
64th
Reverse Polish Notation
3rd
Rock-paper-scissors-Spock-lizard
2nd
SierpiΕski Triangle
2nd
Spelling Numbers
Ten-pin Bowling
π
Tongue-twisters
3rd
United States
π
9th
Vampire Numbers
55th
Ο
3rd
β2
3rd