Question: 3. D raw the recursion tree when n=12, where n represents the length of the array, for the following recursive method: int sumsquares (int []

3. D raw the recursion tree when n=12, where n represents

3. D raw the recursion tree when n=12, where n represents the length of the array, for the following recursive method: int sumsquares (int [] array, int first, int last) f if (first = last) return array [first] * array [first]; int mid = (first + last) / 2 ; return sumsquares (array, first, mid) + sumSquares (array, mid +1,1 last): - Detemine a formula that counts the numbers of nodes in the recursion tree. - What is the Big-@ for execution time? - Determine a formula that expresses the height of the tree. - What is the Big-@ for memory? - Write an iterative solution for this same problem and compare its efficiency with this recursive solution. 4. Using the recursive method in problem 3 and assuming n is the length of the anray. - Modify the recursion tree from the previous problem to show the amount of work on each activation and the row sums. - Determine the initial conditions and recurrence equation. - Determine the critical exponent. - Apply the Little Master Theorem to solve that equation. - Explain whether this algorithm.ontimal

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