brainfuck
576
Card Number Validation
728
Collatz
876
Day of Week
945
Fibonacci
981
Fizz Buzz
992
Fractions
637
Leap Years
913
Odious Numbers
732
Ordinal Numbers
864
Pascalβs Triangle
792
Quine
866942
Reverse Polish Notation
803
Roman to Arabic
853
ROT13
853620
Tic-tac-toe
441
United States
920
Van Eck Sequence
531
Ο
881