
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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fill in code under the comments, in C++
![Write the resize function for the dynamic, partially-filled array below. Follow the comments to
complete the function.
dynamic.cpp
1 #include <iostream>
2 #include <string>
3 #include "debug_new.h"
#include "array.h"
using namespace std;
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/**
Resize a dynamic chunk of memory.
@param arg a pointer to the beginning of the array
@param size the current allocated size
@return a pointer to an initialized 2x chunk.
*/
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int* resize(int* a, int size)
{
// Allocate a new array twice the size of the original
// Copy the original elements into the new array
// Free original array
// Return new array
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}
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int main(int argc, char* argv[])
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{
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int size = 0;
int capacity = 2; // initial capacity is 2
int *a = new int[capacity];
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cout « "Enter positive numbers (negative to quit): ";
int n;
cin >> n;
while (n >= 0)
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30](https://content.bartleby.com/qna-images/question/45a9ec70-4831-4f65-a272-c2b5558c4300/3eae9c60-7c53-4f74-a68c-6420c08a2cc0/5528fs_thumbnail.png)
Transcribed Image Text:Write the resize function for the dynamic, partially-filled array below. Follow the comments to
complete the function.
dynamic.cpp
1 #include <iostream>
2 #include <string>
3 #include "debug_new.h"
#include "array.h"
using namespace std;
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/**
Resize a dynamic chunk of memory.
@param arg a pointer to the beginning of the array
@param size the current allocated size
@return a pointer to an initialized 2x chunk.
*/
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int* resize(int* a, int size)
{
// Allocate a new array twice the size of the original
// Copy the original elements into the new array
// Free original array
// Return new array
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}
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int main(int argc, char* argv[])
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{
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int size = 0;
int capacity = 2; // initial capacity is 2
int *a = new int[capacity];
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cout « "Enter positive numbers (negative to quit): ";
int n;
cin >> n;
while (n >= 0)
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![29
while (n >= 0)
{
if (size ==
{
a = resize(a, size); // Write this function
capacity *= 2;
}
a[size] = n;
cin >> n;
size++;
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сараcity)
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print ("a->", a, size);
delete[] a;
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43 }](https://content.bartleby.com/qna-images/question/45a9ec70-4831-4f65-a272-c2b5558c4300/3eae9c60-7c53-4f74-a68c-6420c08a2cc0/b2wvaml_thumbnail.png)
Transcribed Image Text:29
while (n >= 0)
{
if (size ==
{
a = resize(a, size); // Write this function
capacity *= 2;
}
a[size] = n;
cin >> n;
size++;
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сараcity)
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print ("a->", a, size);
delete[] a;
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43 }
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