C++ Program To Find Number Of Odd & Even Numbers.

This Post Contains A C++ Program To Find Number Of Odd & Even Numbers From An Array With Correct Source Code, Algorithm & Output. This Program Is Written, Compiled & Executed At TurboC/C++3.0 Compiler & Will Help You To Understand The Concept Of 'If...else' & 'For-Loop' From C++ Language. It Is A Well-Structured Program With Proper Comments Which Provides Step-By-Step Description Of Various Features Of The Language In A Simple & Easy-To-Understand Way.

# Note : You Can Simply Copy-Paste The Following Program Or Code Into Compiler For Direct Result.


C++ Program To Find Number Of Odd & Even Numbers From An Array.

/* Declaration Of Header Files */
#include<iostream.h>
#include<conio.h>

/* Start Of Main Program */
void main()
{

/* Declaration Of Variables */
int a[20], Val, Odd_No, Even_No, i;
clrscr();

/* Asking For The Input From User */
cout << " \n Enter Number Of Values : ";
cin >> Val;
cout << " \n Enter " << Val << " Values : ";
for( i=0; i<Val;i ++ )
{
 cin >> a[i];
}

/* Printing The User Entered Values Onto The Screen/Console */
cout << " \n Entered Values Are : ";
for( i=0; i<Val; i++ )
{
 cout << a[i] << " \t ";
}

/* Source Code For Computing No. Of Odd & Even Numbers */
Odd_No = Even_No = 0;
for(i=0; i<Val; i++)
{
 if( a[i] % 2 == 0 )
 {
  Even_No++;
 }
 else
 {
  Odd_No++;
 }
}

/* Printing The Output Onto The Screen/Console */
cout << " \n Total Number Of Odd Numbers : " << Odd_No;
cout << " \n Total Number Of Even Numbers : " << Even_No;

getch();
}
/* End Of Main Program */

Output :

Enter Number Of Values : 5
Enter 5 Values : 1 2 3 4 5
Entered Values Are : 1 2 3 4 5
Number Of Odd Numbers : 3
Number Of Even Numbers : 2

Algorithm :

1. Start.
2. Initialize necessary variables & one integer array.
3. Accept the dimension [Number Of Values] of array, i.e. 'Val' from user.
4. Accept the values for array.
 4.1 for(i=0;i<Val;i++)
 4.2 Accept the value & store it in array, i.e. a[i].
 4.3 End of for loop.
5. Print the values of array.
 5.1 for(i=0;i<Val;i++)
 5.2 Print the value of array, i.e. a[i].
 5.3 End of for loop.
6. Make 'Odd_No' & 'Even_No' variables zero.
7. Find odd or even number from array.
 7.1 for(i=0;i<Val;i++)
 7.2 If value, a[i] is completely divisible by 2, then
 7.2.1 Increment Even_No variable by 1.
 7.3 Else
 7.3.1 Increment Odd_No variable by 1.
 7.4 End of if...else.
 7.5 End of for loop.
8. Print Number of odd numbers, Odd_No.
9. Print Number of even numbers, Even_No.
10. Exit.