Question: Consider the following algorithm and answer the questions. ALGORITHM X(A[0..n 1]) // Input: A contains n real numbers for i 0 to n 2 do

Consider the following algorithm and answer the questions.

ALGORITHM X(A[0..n 1]) // Input: A contains n real numbers

for i 0 to n 2 do

for j i + 1 to n 1 do

if A[j] > A[i]

swap A[i] and A[j]

1. What does this algorithm compute?

2. What is the input size?

3. What is the basic operation?

4. How many times is the basic operation executed? (Set up a sum, and simplify the sum, to find the function expressing the number of repetitions of the basic operation.)

5. What is the efficiency class of this algorithm?

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