Test Cases (0/9)
    • fib(0) to return 0

    • fib(1) to return 1

    • fib(2) to return 1

    • fib(3) to return 2

    • fib(4) to return 3

    • fib(5) to return 5

    • fib(6) to return 8

    • fib(7) to return 13

    • fib(20) to return 6765

    Output
    Michael
      (0/300)