C++ In this code snippet that performs a binary search, what code should replace theplaceholders expression and statement?int binarysearch(int a[], int n, int value){}int beg;int end;int mid;beg = 0;end = n - 1;mid= (beg + end) / 2;while (beg <= end && a [mid] != value){if (expression) { end = mid - 1; }else { beg = mid + 1; }statement}if (beg> end) { return -1; }else { return mid; }expression: value < a [mid]statement: mid = (beg) / 2;expression: value> a [mid]statement: mid = (beg + end) / 2;expression: value < a [mid]statement: mid = (beg + end) / 2;expression: value = a [mid]statement: mid = (beg + end) / 2;

The question asks to choose the correct expression and statement to replace placeholders in a binary…

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Engineering

Computer Science

In this code snippet that performs a binary search, what code should replace the placeholders expression and statement?

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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Concept explainers

Concept of memory addresses in pointers

The concept of pointers in high-level languages was introduced in C programming. Pointers are simply the variables that are used to store memory addresses of another variable. These special variables are generally used in the languages such as C Programming and C++ Programming, where it allows the programmer to work more deeply with memory and its addresses.

Question

C++

In this code snippet that performs a binary search, what code should replace the
placeholders expression and statement?
int binarysearch(int a[], int n, int value)
{
}
int beg;
int end;
int mid;
beg = 0;
end = n - 1;
mid= (beg + end) / 2;
while (beg <= end && a [mid] != value)
{
if (expression) { end = mid - 1; }
else { beg = mid + 1; }
statement
}
if (beg> end) { return -1; }
else { return mid; }
expression: value < a [mid]
statement: mid = (beg) / 2;
expression: value> a [mid]
statement: mid = (beg + end) / 2;
expression: value < a [mid]
statement: mid = (beg + end) / 2;
expression: value = a [mid]
statement: mid = (beg + end) / 2;

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