#include iostream#include cmath#include fstream.docx

#include

#include

#include



using namespace std;



void writing(int *);

void reading(int *);

void calculate(int *);



void main(void)

{

int a1[101];





writing (a1);

reading (a1);

calculate (a1);



char c1;

cin>> c1;

}











void writing(int *p1)

{



ofstream outputFile;

outputFile.open("C:\\exam3.txt");





cout>k;

*p2 = k;

p2++;

cout <<k<<" ";

}

inputFile.close();



cout<<endl;



}

















void calculate(int *p3)

{



double average = 0.0;



for (int i=0; i < 101; i++)

{

average += *p3;

p3++;

}

average = average / 101;



ofstream outputFile;

outputFile.open("C:\\ exam3.txt");



outputFile<<"The average value is: "<< average<<'\n';

cout<<'\n'<<endl;

cout<< "The average value of 101 data values read from the file is:"<<average

<<endl;



outputFile.close();



cout << "Done.\n";



}
...

1. #include <iostream>

#include <cmath>

#include <fstream>



using namespace std;



void writing(int *);

void reading(int *);

void calculate(int *);



void main(void)

{

int a1[101];





writing (a1);

2. reading (a1);

calculate (a1);



char c1;

cin>> c1;

}











void writing(int *p1)

{



ofstream outputFile;

outputFile.open("C:\\exam3.txt");

3. cout<< " Now writing information to file.\n";



int k;

for (int k = 0; k < 101; k++)

{

outputFile << k << "\n" ;

}



outputFile.close();

cout << "Done.\n";

}







void reading(int *p2)

{



ifstream inputFile;

4. inputFile.open("C:\\ exam3.txt");





int k;



cout<< " Now Reading information from file.\n";



for(int i=0; i< 101; i++)

{

inputFile>>k;

*p2 = k;

p2++;

cout <<k<<" ";

}

inputFile.close();



cout<<endl;

5. }

















void calculate(int *p3)

{



double average = 0.0;



for (int i=0; i < 101; i++)

{

average += *p3;

p3++;

6. }

average = average / 101;



ofstream outputFile;

outputFile.open("C:\\ exam3.txt");



outputFile<<"The average value is: "<< average<<'\n';

cout<<'\n'<<endl;

cout<< "The average value of 101 data values read from the
file is:"<<average

<<endl;



outputFile.close();



cout << "Done.\n";



}