Consider the following divide-and-conquer algorithm: cedure MyFunc (x[1], x[2], .., x [n]) if n <= 4 Basis (x[1], ..., x[n]) else MyFunc (x[1], ..., x[n/2]) MyFunc (x[n/4+1], MyFunc (x[n/2+1], ..., x[n]) Conquer (x[1], x[2], ..., x[n]) end if x[3n/4]) ... 1 procedure ume that it is kmown that Basis is O(1), and Conquer is O(g(n)) for some ). Let T(n) denote the computational complexity of MyFunc. Write the recurrence relation T(n) satisfies. What can g(n) be so that the solution of the subproblems dominate? What is the order of T(n) in this case? What can g(n) be so that the conquer operations dominate? What is the order of T(n) in this case? What can g(n) be so that the solution of the subproblems and the conquer operations have the same order? What is the order of T (n) in this case? (b)-(d), you should not provide a specific g(n) function, but an order.

Computer Networking: A Top-Down Approach (7th Edition)
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Chapter1: Computer Networks And The Internet
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Consider the following divide-and-conquer algorithm:
procedure MyFunc (x[1], x[2], ..., x[n])
if n <= 4
Basis (x[1],
.., x [n])
else
x [n/2])
MyFunc (x[1], ...,
MyFunc (x[n/4+1],
MyFunc (x[n/2+1],
Conquer (x[1], x[2],
x[3n/4])
....
x [n])
., x [n])
....
....
end if
end procedure
Assume that it is known that Basis is 0(1), and Conquer is O(g(n)) for some
g(n). Let T(n) denote the computational complexity of MyFunc.
(a) Write the recurrence relation T(n) satisfies.
(b) What can g(n) be so that the solution of the subproblems dominate? What
is the order of T(n) in this case?
(c) What can g(n) be so that the conquer operations dominate? What is the
order of T(n) in this case?
(d) What can g(n) be so that the solution of the subproblems and the conquer
operations have the same order? What is the order of T(n) in this case?
For (b)-(d), you should not provide a specific g(n) function, but an order.
Transcribed Image Text:Consider the following divide-and-conquer algorithm: procedure MyFunc (x[1], x[2], ..., x[n]) if n <= 4 Basis (x[1], .., x [n]) else x [n/2]) MyFunc (x[1], ..., MyFunc (x[n/4+1], MyFunc (x[n/2+1], Conquer (x[1], x[2], x[3n/4]) .... x [n]) ., x [n]) .... .... end if end procedure Assume that it is known that Basis is 0(1), and Conquer is O(g(n)) for some g(n). Let T(n) denote the computational complexity of MyFunc. (a) Write the recurrence relation T(n) satisfies. (b) What can g(n) be so that the solution of the subproblems dominate? What is the order of T(n) in this case? (c) What can g(n) be so that the conquer operations dominate? What is the order of T(n) in this case? (d) What can g(n) be so that the solution of the subproblems and the conquer operations have the same order? What is the order of T(n) in this case? For (b)-(d), you should not provide a specific g(n) function, but an order.
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