brainfuck
28th
30th
Card Number Validation
45th
Collatz
71st
Cubes
24th
Day of Week
1st
Fibonacci
1st
Fizz Buzz
1st
Fractions
67th
Leap Years
6th
Odious Numbers
87th
Ordinal Numbers
1st
Pascal’s Triangle
52nd
Quine
33rd1st1st
Reverse Polish Notation
22nd
Roman to Arabic
15th
ROT13
15th
19th
Scrambled Sort
12th
Tic-tac-toe
50th
United States
4th
Van Eck Sequence
72nd
π
18th