brainfuck
26th
26th
Card Number Validation
40th
Collatz
63rd
Cubes
20th
Day of Week
1st
Fibonacci
1st
Fizz Buzz
1st
Fractions
60th
Leap Years
1st
Odious Numbers
82nd
Ordinal Numbers
1st
Pascal’s Triangle
50th
Quine
30th1st1st
Reverse Polish Notation
21st
Roman to Arabic
15th
ROT13
13th
13th
Scrambled Sort
9th
Tic-tac-toe
43rd
United States
3rd
Van Eck Sequence
71st
π
24th