Occurence of Char In String

Find occurences of character in string.

Quadratic Roots

Find Quadratic Roots for an equation defined by a, b and c.

Perfect Numbers

Print perfect numbers less than a number.

Fizz Buzz

Print 1 to 100, but with Fizz at every number divided by 3 and buzz at number divided by 5.

Array Reverse

Reverse array in place.