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//importing necessary header files

#include<iostream>

#include<fstream>

#include<string>

using namespace std;

//writing a function to open the file and checking the file failure

bool openTheFile(ifstream& x,string fileName){

//open the file

x.open(fileName);

//if file doesnt open

if(x.fail())

{

//then return false

return false;

}

//otherwise returns true

return true;

}

//writing a function to read file and counting the number of integers,

//calculating sum and average of the given function*/

void calculateFile(ifstream& myFile,int& sum,int& total_num,double& average ){

//declaring variables

int count=0;

string output;

//checking end of file by using eof

while (!myFile.eof()) {

//displaying data

myFile >> output;

sum+=stoi(output);

//incrementing count variable

count++;

}

//assigning value of count variable to total_num

total_num = count;

//calculating average of the file

average = double(sum)/total_num;

return ;

}

// main method

int main(){

// creating input stream

ifstream myFile;

//open the file here, file name is file.txt

bool checkFileOpen = openTheFile(myFile,"File.txt");

//checking for failure of file

if(!checkFileOpen){

//displaying message to user if opening of file fails

cout<<"Failed to open the file";

return 0;

}

//declaring variables

int sum=0;

int total_num=0;

double average = 0.0;

// calling function calculate file

calculateFile(myFile,sum,total_num,average);

//displaying sum, average and total number of values to user

cout<<" sum of given integer value: "<<sum<<endl;

cout<<" total number of integers: "<<total_num<<endl;

cout<<" average of given data: "<<average<<endl;

return 0;

}