Question

Write a program using loop and array that asks users to input 10 numbers, then calculates the average of those numbers. (In C++)

Answer 1

#include <iostream>
using namespace std;

int main() {
   int arr[10],sum=0;
   float avg;
   cout<<"Enter 10 numbers : ";
   for(int i=0;i<10;i++)
   cin>>arr[i];
   for(int i=0;i<10;i++)
   sum=sum+arr[i];
   avg=(float)sum/10;
   cout<<"Average : "<<avg;
   return 0;
}

OUTPUT:-

// If any doubt please comment

Answer 2

Following is the c++ program that takes as input from user 10 numbers and calculates the average:

Approach:

• Declare the essential header.
• Inside the main define an array of size 10 and declare the variables.
• Using for loop to take input from user 10 numbers and save these numbers in the array named the array. Along with this also add these numbers in the sum variable.
• Divide the value of sum by 10 to calculate average.
• Finally, print the value of the average.

Step 2:

Code:

#include <iostream>//header file

using namespace std;//setting up name space

//start of main

int main() {

   //declare necessary variables

   int sum=0,array[10];

   float avg;

   //for loop to take input from user in array and also add these numbers

   for(int i=0;i<10;i++)

   {

     //prompt user to input the numbers of array

     cout<<"Enter number "<<i+1<<" :";

     cin>>array[i];

     //adding elements of arary

     sum=sum+array[i];

   }

   //calculate the average

   avg=(float)sum/10;

   //print average of array

   cout<<"Average of 10 numbers is : "<<avg;

   return 0;

}

Output:

The output of the above program is given below: