brainfuck
65th
30th
Card Number Validation
47th
Collatz
70th
Cubes
49th
Day of Week
1st
Fibonacci
1st
Fizz Buzz
1st
Fractions
66th
Leap Years
5th
Odious Numbers
85th
Ordinal Numbers
1st
Pascal’s Triangle
52nd
Quine
33rd1st1st
Reverse Polish Notation
27th
Roman to Arabic
16th
ROT13
12th
19th
Scrambled Sort
23rd
Tic-tac-toe
48th
United States
5th
Van Eck Sequence
72nd
π
17th