last- listLength mid: 1 found - false le (firat <- last s mid - (first + last it (list(mid) - found else it (1ist(mid] last - mid - ia else se - true tirst - mid (found) return mida

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
Problem 1PE
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int binarySearch (const int list(), int listLength, int searchitem)
int first - 0:
int last - listLength - 1;
int mid;
bool found - false;
while (first <- last 66 !found)
mid - (first + last) / 2;
if (list(mid) - searchItem)
found- true
else if (1ist(mid) > searchItem)
last - mid - 1;
else
first - mid + 1
if (found)
return mid;
else
return -1,
//end binarysearch
Consider using the Binary Search Algorithm, shown above, to find if 75 belongs
to the following list:
4 8
25
| 34
| 45
48
| 66
| 75
| 89
95
|19
39
At iteration-1 inside the algorithm,
What will be the value of the variables: first, mid, last?
O1.
First= 1, Mid=6, and Last=12
OI.
First= 1, Mid=6, and Last=11
O II.
First= 0, Mid=5, and Last=11
O V.
First= 0, Mid=5, and Last=12
Transcribed Image Text:int binarySearch (const int list(), int listLength, int searchitem) int first - 0: int last - listLength - 1; int mid; bool found - false; while (first <- last 66 !found) mid - (first + last) / 2; if (list(mid) - searchItem) found- true else if (1ist(mid) > searchItem) last - mid - 1; else first - mid + 1 if (found) return mid; else return -1, //end binarysearch Consider using the Binary Search Algorithm, shown above, to find if 75 belongs to the following list: 4 8 25 | 34 | 45 48 | 66 | 75 | 89 95 |19 39 At iteration-1 inside the algorithm, What will be the value of the variables: first, mid, last? O1. First= 1, Mid=6, and Last=12 OI. First= 1, Mid=6, and Last=11 O II. First= 0, Mid=5, and Last=11 O V. First= 0, Mid=5, and Last=12
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