Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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complete the TODOs in C++
#include <iostream>
#include <fstream>

using namespace std;


//Uncomment the lines and implement the TODOs in the resizing logic
int* resize(int* arrayPtr, int &capacity)
{
// TODO increase the capacity by two times
// int newCapacity =
// cout<<"Resizing from "<<capacity<<" to "<<newCapacity<<endl;

// TODO dynamically allocate an array of size newCapacity
// int *newArray =

// TODO copy all data from oldArray to newArray

// TODO free the memory associated with oldArray

//capacity = newCapacity;

// TODO return the newArray

}

int main(int argc, char* argv[])
{
if(argc != 2)
{
return -1;
}
stringfilename = argv[1];
ifstreamdata;
data.open(filename.c_str());

intcapacity = 10;
int *arrayPtr;

// TODO Dynamically allocate space here for the array
//arrayPtr =
intnumOfElement = 0;
stringtemp;

if(data.is_open())
{
while(getline(data, temp))
{
inttoBeInsert = stoi(temp);
if(numOfElement == capacity)
{
// Complete this function
arrayPtr = resize(arrayPtr, capacity);
}
arrayPtr[numOfElement] = toBeInsert;
numOfElement++;
}
data.close();
}

for(inti = 0; i < numOfElement; i++)
{
cout<<"Num: "<<arrayPtr[i] <<endl;
}
return0;
}
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