brainfuck
65th
30th
Card Number Validation
48th
Collatz
72nd
Cubes
51st
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
27th
Roman to Arabic
17th
ROT13
12th
20th
Scrambled Sort
23rd
Tic-tac-toe
48th
United States
5th
Van Eck Sequence
72nd
π
18th