Question
The Fibonacci sequence {fib}i1 is defined recursively as follows: fib(1) = 1, fib(2) = 1 and, fib(n) = fib(n-1) + fib(n-2) for n 3. The
The Fibonacci sequence {fib}i1 is defined recursively as follows: fib(1) = 1, fib(2) = 1 and, fib(n) = fib(n-1) + fib(n-2) for n 3. The numbers in the Fibonacci sequence are called the Fibonacci numbers, for example: {1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233} (a) Implement a sub-linear time complexity function in Java. int fib(int n) that returns the nth Fibonacci number. Example: fib(9) returns 34. (b) What is the running time complexity of your function? Justify your answer by using the basic algorithms techniques of algorithm analysis..
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