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Program to count even and odd numbers in an array

Here given code implementation process.

/*
    C Program 
    Program to count even and odd numbers in an array
*/
#include <stdio.h>
void countEvenOdd(int arr[], int n)
{
    // Set the initial value even and odd counter
    int even = 0;
    int odd  = 0;

    printf(" Array :");

    for (int i = 0; i < n; ++i)
    {
        if(arr[i] % 2 == 0)
        {
            // When number is even
            even++;
        }
        else
        {
             // When number is odd
            odd++;
        }
        // Display array element
        printf("  %d",arr[i]);
    }
    // Display calculated result
    printf("\n Even : %d",even);
    printf("\n Odd  : %d\n",odd);
}

int main()
{   
    int arr[] = {3,7,2,9,4,8,-1,3};

    // Get the number of elements in array
    int n = sizeof(arr) / sizeof(arr[0]);

    // Test
    // arr[]  = [3,7,2,9,4,8,-1,3]
    // odd    = [3,7,9,-1,3] count 5
    // even   = [2,4,8] count 3
    // Count even and odd elements
    countEvenOdd(arr,n);
    return 0;
}

Output

 Array :  3  7  2  9  4  8  -1  3
 Even : 3
 Odd  : 5
// Java Program for
// Program to count even and odd numbers in an array
public class Counting
{
	public void countEvenOdd(int[] arr, int n)
	{
		// Set the initial value even and odd counter
		int even = 0;
		int odd = 0;
		System.out.print(" Array :");
		for (int i = 0; i < n; ++i)
		{
			if (arr[i] % 2 == 0)
			{
				// When number is even
				even++;
			}
			else
			{
				// When number is odd
				odd++;
			}
			// Display array element
			System.out.print(" " + arr[i]);
		}
		// Display calculated result
		System.out.println("\n Even : " + even);
		System.out.println(" Odd  : " + odd);
	}
	public static void main(String[] args)
	{
		Counting task = new Counting();
		int[] arr =  {
			3 , 7 , 2 , 9 , 4 , 8 , -1 , 3
		};
		// Get the number of elements in array
		int n = arr.length;
		// Test
		// arr[]  = [3,7,2,9,4,8,-1,3]
		// odd    = [3,7,9,-1,3] count 5
		// even   = [2,4,8] count 3
		// Count even and odd elements
		task.countEvenOdd(arr, n);
	}
}

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
package main
import "fmt"
// Go Program for
// Program to count even and odd numbers in an array
type Counting struct {}
func getCounting() * Counting {
	var me *Counting = &Counting {}
	return me
}
func(this Counting) countEvenOdd(arr[] int, n int) {
	// Set the initial value even and odd counter
	var even int = 0
	var odd int = 0
	fmt.Print(" Array :")
	for i := 0 ; i < n ; i++ {
		if arr[i] % 2 == 0 {
			// When number is even
			even++
		} else {
			// When number is odd
			odd++
		}
		// Display array element
		fmt.Print(" ", arr[i])
	}
	// Display calculated result
	fmt.Println("\n Even : ", even)
	fmt.Println(" Odd  : ", odd)
}
func main() {
	var task * Counting = getCounting()
	var arr = [] int {
		3,
		7,
		2,
		9,
		4,
		8,
		-1,
		3,
	}
	// Get the number of elements in array
	var n int = len(arr)
	// Test
	// arr[]  = [3,7,2,9,4,8,-1,3]
	// odd    = [3,7,9,-1,3] count 5
	// even   = [2,4,8] count 3
	// Count even and odd elements
	task.countEvenOdd(arr, n)
}

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
// Include header file
#include <iostream>
using namespace std;
// C++ Program for
// Program to count even and odd numbers in an array
class Counting
{
	public: void countEvenOdd(int arr[], int n)
	{
		// Set the initial value even and odd counter
		int even = 0;
		int odd = 0;
		cout << " Array :";
		for (int i = 0; i < n; ++i)
		{
			if (arr[i] % 2 == 0)
			{
				// When number is even
				even++;
			}
			else
			{
				// When number is odd
				odd++;
			}
			// Display array element
			cout << " " << arr[i];
		}
		// Display calculated result
		cout << "\n Even : " << even << endl;
		cout << " Odd  : " << odd << endl;
	}
};
int main()
{
	Counting *task = new Counting();
	int arr[] = {
		3 , 7 , 2 , 9 , 4 , 8 , -1 , 3
	};
	// Get the number of elements in array
	int n = sizeof(arr) / sizeof(arr[0]);
	// Test
	// arr[]  = [3,7,2,9,4,8,-1,3]
	// odd    = [3,7,9,-1,3] count 5
	// even   = [2,4,8] count 3
	// Count even and odd elements
	task->countEvenOdd(arr, n);
	return 0;
}

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
// Include namespace system
using System;
// Csharp Program for
// Program to count even and odd numbers in an array
public class Counting
{
	public void countEvenOdd(int[] arr, int n)
	{
		// Set the initial value even and odd counter
		int even = 0;
		int odd = 0;
		Console.Write(" Array :");
		for (int i = 0; i < n; ++i)
		{
			if (arr[i] % 2 == 0)
			{
				// When number is even
				even++;
			}
			else
			{
				// When number is odd
				odd++;
			}
			// Display array element
			Console.Write(" " + arr[i]);
		}
		// Display calculated result
		Console.WriteLine("\n Even : " + even);
		Console.WriteLine(" Odd  : " + odd);
	}
	public static void Main(String[] args)
	{
		Counting task = new Counting();
		int[] arr = {
			3 , 7 , 2 , 9 , 4 , 8 , -1 , 3
		};
		// Get the number of elements in array
		int n = arr.Length;
		// Test
		// arr[]  = [3,7,2,9,4,8,-1,3]
		// odd    = [3,7,9,-1,3] count 5
		// even   = [2,4,8] count 3
		// Count even and odd elements
		task.countEvenOdd(arr, n);
	}
}

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
<?php
// Php Program for
// Program to count even and odd numbers in an array
class Counting
{
	public	function countEvenOdd($arr, $n)
	{
		// Set the initial value even and odd counter
		$even = 0;
		$odd = 0;
		echo(" Array :");
		for ($i = 0; $i < $n; ++$i)
		{
			if ($arr[$i] % 2 == 0)
			{
				// When number is even
				$even++;
			}
			else
			{
				// When number is odd
				$odd++;
			}
			// Display array element
			echo(" ".$arr[$i]);
		}
		// Display calculated result
		echo("\n Even : ".$even.
			"\n");
		echo(" Odd  : ".$odd.
			"\n");
	}
}

function main()
{
	$task = new Counting();
	$arr = array(3, 7, 2, 9, 4, 8, -1, 3);
	// Get the number of elements in array
	$n = count($arr);
	// Test
	// arr[]  = [3,7,2,9,4,8,-1,3]
	// odd    = [3,7,9,-1,3] count 5
	// even   = [2,4,8] count 3
	// Count even and odd elements
	$task->countEvenOdd($arr, $n);
}
main();

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
// Node JS Program for
// Program to count even and odd numbers in an array
class Counting
{
	countEvenOdd(arr, n)
	{
		// Set the initial value even and odd counter
		var even = 0;
		var odd = 0;
		process.stdout.write(" Array :");
		for (var i = 0; i < n; ++i)
		{
			if (arr[i] % 2 == 0)
			{
				// When number is even
				even++;
			}
			else
			{
				// When number is odd
				odd++;
			}
			// Display array element
			process.stdout.write(" " + arr[i]);
		}
		// Display calculated result
		console.log("\n Even : " + even);
		console.log(" Odd  : " + odd);
	}
}

function main()
{
	var task = new Counting();
	var arr = [3, 7, 2, 9, 4, 8, -1, 3];
	// Get the number of elements in array
	var n = arr.length;
	// Test
	// arr[]  = [3,7,2,9,4,8,-1,3]
	// odd    = [3,7,9,-1,3] count 5
	// even   = [2,4,8] count 3
	// Count even and odd elements
	task.countEvenOdd(arr, n);
}
main();

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
#  Python 3 Program for
#  Program to count even and odd numbers in an array
class Counting :
	def countEvenOdd(self, arr, n) :
		#  Set the initial value even and odd counter
		even = 0
		odd = 0
		print(" Array :", end = "")
		i = 0
		while (i < n) :
			if (arr[i] % 2 == 0) :
				#  When number is even
				even += 1
			else :
				#  When number is odd
				odd += 1
			
			#  Display list element
			print(" ", arr[i], end = "")
			i += 1
		
		#  Display calculated result
		print("\n Even : ", even)
		print(" Odd  : ", odd)
	

def main() :
	task = Counting()
	arr = [3, 7, 2, 9, 4, 8, -1, 3]
	#  Get the number of elements in list
	n = len(arr)
	#  Test
	#  arr[]  = [3,7,2,9,4,8,-1,3]
	#  odd    = [3,7,9,-1,3] count 5
	#  even   = [2,4,8] count 3
	#  Count even and odd elements
	task.countEvenOdd(arr, n)

if __name__ == "__main__": main()

Output

 Array :  3  7  2  9  4  8  -1  3
 Even :  3
 Odd  :  5
#  Ruby Program for
#  Program to count even and odd numbers in an array
class Counting 
	def countEvenOdd(arr, n) 
		#  Set the initial value even and odd counter
		even = 0
		odd = 0
		print(" Array :")
		i = 0
		while (i < n) 
			if (arr[i] % 2 == 0) 
				#  When number is even
				even += 1
			else
 
				#  When number is odd
				odd += 1
			end

			#  Display array element
			print(" ", arr[i])
			i += 1
		end

		#  Display calculated result
		print("\n Even : ", even, "\n")
		print(" Odd  : ", odd, "\n")
	end

end

def main() 
	task = Counting.new()
	arr = [3, 7, 2, 9, 4, 8, -1, 3]
	#  Get the number of elements in array
	n = arr.length
	#  Test
	#  arr[]  = [3,7,2,9,4,8,-1,3]
	#  odd    = [3,7,9,-1,3] count 5
	#  even   = [2,4,8] count 3
	#  Count even and odd elements
	task.countEvenOdd(arr, n)
end

main()

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5

// Scala Program for
// Program to count even and odd numbers in an array
class Counting()
{
	def countEvenOdd(arr: Array[Int], n: Int): Unit = {
		// Set the initial value even and odd counter
		var even: Int = 0;
		var odd: Int = 0;
		print(" Array :");
		var i: Int = 0;
		while (i < n)
		{
			if (arr(i) % 2 == 0)
			{
				// When number is even
				even += 1;
			}
			else
			{
				// When number is odd
				odd += 1;
			}
			// Display array element
			print(" " + arr(i));
			i += 1;
		}
		// Display calculated result
		println("\n Even : " + even);
		println(" Odd  : " + odd);
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var task: Counting = new Counting();
		var arr: Array[Int] = Array(3, 7, 2, 9, 4, 8, -1, 3);
		// Get the number of elements in array
		var n: Int = arr.length;
		// Test
		// arr[]  = [3,7,2,9,4,8,-1,3]
		// odd    = [3,7,9,-1,3] count 5
		// even   = [2,4,8] count 3
		// Count even and odd elements
		task.countEvenOdd(arr, n);
	}
}

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
import Foundation;
// Swift 4 Program for
// Program to count even and odd numbers in an array
class Counting
{
	func countEvenOdd(_ arr: [Int], _ n: Int)
	{
		// Set the initial value even and odd counter
		var even: Int = 0;
		var odd: Int = 0;
		print(" Array :", terminator: "");
		var i: Int = 0;
		while (i < n)
		{
			if (arr[i] % 2 == 0)
			{
				// When number is even
				even += 1;
			}
			else
			{
				// When number is odd
				odd += 1;
			}
			// Display array element
			print(" ", arr[i], terminator: "");
			i += 1;
		}
		// Display calculated result
		print("\n Even : ", even);
		print(" Odd  : ", odd);
	}
}
func main()
{
	let task: Counting = Counting();
	let arr: [Int] = [3, 7, 2, 9, 4, 8, -1, 3];
	// Get the number of elements in array
	let n: Int = arr.count;
	// Test
	// arr[]  = [3,7,2,9,4,8,-1,3]
	// odd    = [3,7,9,-1,3] count 5
	// even   = [2,4,8] count 3
	// Count even and odd elements
	task.countEvenOdd(arr, n);
}
main();

Output

 Array :  3  7  2  9  4  8  -1  3
 Even :  3
 Odd  :  5
// Kotlin Program for
// Program to count even and odd numbers in an array
class Counting
{
	fun countEvenOdd(arr: Array < Int > , n: Int): Unit
	{
		// Set the initial value even and odd counter
		var even: Int = 0;
		var odd: Int = 0;
		print(" Array :");
		var i: Int = 0;
		while (i < n)
		{
			if (arr[i] % 2 == 0)
			{
				// When number is even
				even += 1;
			}
			else
			{
				// When number is odd
				odd += 1;
			}
			// Display array element
			print(" " + arr[i]);
			i += 1;
		}
		// Display calculated result
		println("\n Even : " + even);
		println(" Odd  : " + odd);
	}
}
fun main(args: Array < String > ): Unit
{
	val task: Counting = Counting();
	val arr: Array < Int > = arrayOf(3, 7, 2, 9, 4, 8, -1, 3);
	// Get the number of elements in array
	val n: Int = arr.count();
	// Test
	// arr[]  = [3,7,2,9,4,8,-1,3]
	// odd    = [3,7,9,-1,3] count 5
	// even   = [2,4,8] count 3
	// Count even and odd elements
	task.countEvenOdd(arr, n);
}

Output

 Array : 3 7 2 9 4 8 -1 3
 Even : 3
 Odd  : 5
Last updated on by Kalkicode




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