Test added to discourage lookup solutions.
Clockwise or Counterclockwise
Convert String to Morse Code
Height of a right-angled triangle
Find the Oldest Person in a Room
Compute the date of a special marriage milestone
Compute the arithmetic derivative of integers
Evaluate the logarithmic integral
Guess the card in Fitch Cheney’s five-card trick
Iterate the sum of divisors and totient
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