Consider f2 again. (Note that x/y when x and y are integers will return the floor of x/y in f2.) What is the worst case runtime of f2? Select all that apply. int f2(A,i,n){ if (n == 1) return A[i]; return f2(A,i, (n+1)/2) + f2(A, i + (n+1)/2, n/2); } O n(log(n)) O n(n) O N(n log(n)) O N(n²) O n(2")

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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125%
Q25
Consider f2 again. (Note that x/y when x and y are integers will return the floor of x/y in f2.)
What is the worst case runtime of f2? Select all that apply.
int f2(A,i,n){
if (n == 1) return A[i];
return f2(A,i, (n+1)/ 2) + f2(A, i +
(n+1)/2, n/2);
}
O N(log(n))
O N(n)
2(n log(n))
O n(n²)
O N(2")
Transcribed Image Text:125% Q25 Consider f2 again. (Note that x/y when x and y are integers will return the floor of x/y in f2.) What is the worst case runtime of f2? Select all that apply. int f2(A,i,n){ if (n == 1) return A[i]; return f2(A,i, (n+1)/ 2) + f2(A, i + (n+1)/2, n/2); } O N(log(n)) O N(n) 2(n log(n)) O n(n²) O N(2")
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