Question 2 In this question, you will read two data files that include integers into two different arrays – the same way we did in class (but we are doing to arrays here). Duplicates are ok. 1- After you read the data into the array (use one function that takes an int array and a dsize by reference just like we did in class, and call that from main to fill both arrays). 2- Include a printArray function so that you could print the two arrays. Use array size 1000. 3- Use a sort algorithm to sort both arrays. 4- Now write a compareOrder function that takes two arrays and their data sizes. If the data size is the same and every element in the first array is equal to element in the same corresponding position in the second array (both sorted) – then the arrays are equal (return 0). If the very first element that is different is larger in one array than the other array then the first array is larger (return 1) otherwise (return -1). If the dsizes are different, the longer array is larger (return 1 if array1 is larger than array 2 and -1 otherwise). 5- Call the compareOrder function from main passing your two arrays and their corresponding dsizes and give appropriate messages. (Please see Hint - required). 6- Now write a compareSum to compare the two arrays based on the sum of their elements – follow the same theme of returning 0,1 or -1 – and call from main with appropriate messaging (please see Hint - required). Hint: Instead of calling compareOrder and CompareSum and including logic code for messaging in main (ugly), write a void wrapper function compare that would take a compare type, the arrays and their dsizes and will call the appropriate compare function with the arrays and the dsizes and produce the appropriate messaging).
Submit your cpp files pasted in a word document. Paste the code. Submit the data files you used separately as files not pasted in the word document. Include a screenshot of every output for each case
Homework Answers
Program:
#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;
void ReadData(string file,int arr[],int &n)
{
ifstream f;
int a;
f.open(file);
if (!f)
{
cout << "Unable to open file";
exit(1);
}
while (f >> a)
{
arr[n] = a;
n++;
}
}
void printArray(int arr[], int size)
{
cout << "The elements of the array: " << endl;
for (int i = 0; i < size; i++)
{
cout << arr[i] << " ";
}
cout << endl;
}
void sort(int arr[], int size)
{
int temp;
for (int i = 0; i<size; i++)
{
for (int j = i + 1; j<size; j++)
{
if (arr[i]>arr[j])
{
temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
}
int compareOrder(int arr1[], int arr2[], int dsize1, int dsize2)
{
if (dsize1 == dsize2)
{
if (arr1[0]>arr2[0])
{
return 1;
}
else if (arr1[0]<arr2[0])
{
return -1;
}
else
{
for (int i = 0; i<dsize1; i++)
{
if (arr1[i]>arr2[i])
{
return 1;
}
else if (arr1[i]<arr2[i])
{
return -1;
}
}
return 0;
}
}
else
{
if (dsize1>dsize2)
{
return 1;
}
else
{
return -1;
}
}
}
int compareSum(int arr1[], int arr2[], int dsize1, int dsize2)
{
int sum1 = 0, sum2 = 0;
for (int i = 0; i<dsize1; i++)
{
sum1 += arr1[i];
}
for (int i = 0; i<dsize2; i++)
{
sum2 += arr2[i];
}
if (sum1 == sum2)
return 0;
else if (sum1<sum2)
{
return -1;
}
else if (sum1>sum2)
{
return 1;
}
}
int main()
{
const int SIZE = 1000;
string file1 = "Inputfile.txt", file2 = "Inputfile1.txt";
int dsize1 = 0, dsize2 = 0;
int Array1[SIZE],Array2[SIZE];
ReadData(file1, Array1, dsize1);
ReadData(file2, Array2, dsize2);
cout << "Arrays before sorting: " << endl;
printArray(Array1, dsize1);
printArray(Array2, dsize2);
cout << "\nArrays after sorting: " << endl;
sort(Array1, dsize1);
printArray(Array1, dsize1);
sort(Array2, dsize2);
printArray(Array2, dsize2);
int order = compareOrder(Array1, Array2,dsize1,dsize2);
int sum = compareSum(Array1, Array2, dsize1, dsize2);
cout << endl;
if (order = 0)
{
cout << "The two arrays are equal"<<endl;
}
else if (order = 1)
{
cout << "Array1 is gretaer than Array2" << endl;
}
else if (order = -1)
{
cout << "Array2 is gretaer than Array1" << endl;
}
if (sum = 0)
{
cout << "The sum of the two arrays is same" << endl;
}
else if (order = 1)
{
cout << "Array1 sum is gretaer than Array2" << endl;
}
else if (order = -1)
{
cout << "Array2 sum is gretaer than Array1" << endl;
}
return 0;
}
Sample output:
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