By | 27.12.2016

# Average of n Numbers using array

Write a C++ Program to find Average of n Numbers using array. Here’s simple Program to find Average of n Numbers using array in C++ Programming Language.

## What is an Array ?

Arrays a kind of data structure that can store a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.

Instead of declaring individual variables, such as number0, number1, …, and number99, you declare one array variable such as numbers and use numbers[0], numbers[1], and …, numbers[99] to represent individual variables. A specific element in an array is accessed by an index.

All arrays consist of contiguous memory locations. The lowest address corresponds to the first element and the highest address to the last element.

Here is source code of the C++ Program to find Average of n Numbers using array. The C++ program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

### SOURCE CODE : :

```/*  C++ Program to find Average of n Numbers using array  */

#include <iostream>
using namespace std;

int main()
{
int n, i;
float a[100], sum=0.0 , average;

cout<<"Enter size of Array (Value of N ):: ";
cin>>n;
cout<<"\nEnter elements to the array :: \n";

for(i=0;i<n;++i)
{
cout<<"\nEnter "<<i+1<<" element :: ";
cin>>a[i];
sum += a[i];
}

average = sum / n;
cout << "\nAverage of "<<n<<" Numbers is = " << average<<"\n";

return 0;
}```

### OUTPUT : :

```/*  C++ Program to find Average of n Numbers using array  */

Enter size of Array (Value of N ):: 6

Enter elements to the array ::

Enter 1 element :: 1

Enter 2 element :: 2

Enter 3 element :: 3

Enter 4 element :: 4

Enter 5 element :: 5

Enter 6 element :: 6

Average of 6 Numbers is = 3.5

Process returned 0```

Above is the source code for C++ Program to find Average of n Numbers using array which is successfully compiled and run on Windows System.The Output of the program is shown above .

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