C++ Program to Find Even and Odd Numbers using array

By | December 27, 2016

Even and Odd Numbers using array


Write a C++ Program to Find Even and Odd Numbers using array. Here’s simple Program to Find Even and Odd 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.


For Separate Even and Odd Elements of Array we take three array and one array for insert all Array Elements second for even elements and third for odd elements. We check condition for odd and even Elements arr[]%2==0.

Here is source code of the C++ Program to Find Even and Odd 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 Even and Odd Numbers using array  */

#include<iostream>
using namespace std;

int main()
{
   int arr[20],even[20],odd[20],i,j=0,k=0,size;

   cout<<"Enter array size( Max:50 ) :: ";
    cin>>size;
	cout<<"\nEnter array elements :: \n";

	for(i=0; i<size; i++)
	{
	    cout<<"\nEnter arr["<<i<<"] Element :: ";
		cin>>arr[i];
	}

  cout<<"\nStored Data in Array :: \n\n";

  for(i=0;i<size;i++)
  {
  cout<<" "<<arr[i]<<" ";
  }

   for(i=0; i<size;i++)
   {
   if(arr[i]%2==0)
   {
    even[j]=arr[i];
    j++;
   }
   else
   {
   odd[k]=arr[i];
   k++;
   }
   }

  cout<<"\n\nEven Elements in Array are :: \n\n";

  for(i=0; i<j ;i++)
   {
     cout<<" "<<even[i]<<" ";
   }

  cout<<"\n\nOdd Elements in Array are :: \n\n";

  for(i=0; i<k; i++)
   {
    cout<<" "<<odd[i]<<" ";
   }

   cout<<"\n";

  return 0;

  }

OUTPUT : :


/*  C++ Program to Find Even and Odd Numbers using array  */

Enter array size( Max:50 ) :: 10

Enter array elements ::

Enter arr[0] Element :: 1

Enter arr[1] Element :: 2

Enter arr[2] Element :: 3

Enter arr[3] Element :: 4

Enter arr[4] Element :: 5

Enter arr[5] Element :: 6

Enter arr[6] Element :: 7

Enter arr[7] Element :: 8

Enter arr[8] Element :: 9

Enter arr[9] Element :: 0

Stored Data in Array ::

 1  2  3  4  5  6  7  8  9  0

Even Elements in Array are ::

 2  4  6  8  0

Odd Elements in Array are ::

 1  3  5  7  9

Process returned 0

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

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