Question

Write a c++ program that does the following,

read temperatures from a file name temp.txt into an array, and

after reading all the temperatures, output the following information: the average temperature, the minimum temperature, and the total number of temperatures read.

Thank you!

Answer 1

Dear Student,

Below i have write the complete C++ program as per the requirement.

Please make sure you put the temp.txt file in the same directory where the program is

===================================================================Program:

===================================================================

//Calculating averages

//Data in file: temp.txt

#include <iostream>

#include <fstream>

#include<iomanip>

using namespace std;

int main()
{

//variables

double T;

double sum = 0, Avg;

double temp_arr[100];

int count = 0;

//creating a ifstream object

ifstream infile;

//open file for reading

infile.open("temp.txt");

//if file does not exist

if(!infile)

{

cout<<"failed to open the file."<<endl;

}

//start reading the temp value in the file

while(infile>>T)

{

temp_arr[count] = T;

//calculate sum

sum = sum + T;

//incremnt count

count++;

}

double min_temp = temp_arr[0];

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

{

if(temp_arr[i] < min_temp)

{

min_temp = temp_arr[i];

}

}

//calculate Avg

Avg = double(sum)/count;

//display Avg temp, min, total temperatures

cout<<"The Avg of temperature is : "<<fixed<<setprecision(2)<<Avg<<endl;

cout<<"Min temperature is: "<<min_temp<<endl;

cout<<"Total number of temperature read is : "<<count<<endl;

infile.close();

return 0;

}

//end of the main function

==================================================================

Sample Output:

==================================================================temp.txt file

==================================================================

Kindly Check and Verify Thanks...!!!