algorithm efficiency

8. Consider the following algorithm and answer the questions. (10%) ALGORITHM Yn) // Input: n is a positive integer if n=1 return 1 else return Y(n-1)+n*n 1. What does this algorithm compute? 2. What is the basic operation? 3. Cerate a recurrence relation and an initial condition and find the number of times the basic operation is executed. 4. What is the efficiency class of this algorithm