C Program to Sum of Even and Odd Numbers in an Array

In this tutorial, i am going to show you how to calculate or find sum of even and odd numbers in an array using in c programs.

All C Programs and Algorithm to Sum of Even and Odd Numbers in an Array

• C Program to Sum of Even and Odd Numbers in an Array using For Loop
• C Program to Sum of Even and Odd Numbers in an Array using While Loop
• C Program to Sum of Even and Odd Numbers in an Array using Function

C Program to Sum of Even and Odd Numbers in an Array using For Loop

/* C Program to find Sum of Even and Odd Numbers in an Array */
#include<stdio.h>
 
int main()
{
 int Size, i, a[10];
 int Even_Sum = 0, Odd_Sum = 0;
 
 printf("\n Please Enter the Size of an Array : ");
 scanf("%d", &Size);
 
 printf("\nPlease Enter the Array Elements\n");
 for(i = 0; i < Size; i++)
 {
      scanf("%d", &a[i]);
 }
  
 for(i = 0; i < Size; i ++)
 {
   if(a[i] % 2 == 0)
   {
 	Even_Sum = Even_Sum + a[i];
   }
   else
   {
 	Odd_Sum = Odd_Sum + a[i];
   }
 }
  
 printf("\n The Sum of Even Numbers in this Array = %d ", Even_Sum);
 printf("\n The Sum of Odd Numbers in this Array = %d ", Odd_Sum);
 return 0;
}

The result of the above c program; as follows:

Please Enter the Size of an Array : 5
Please Enter the Array Elements
1 2 3 4 5
The Sum of Even Numbers in this Array = 6 
 The Sum of Odd Numbers in this Array = 9 

C Program to Sum of Even and Odd Numbers in an Array using While Loop

/* C Program to find Sum of Even and Odd Numbers in an Array */
#include<stdio.h>
int main()
{
 int Size, i, j = 0, a[10];
 int Even_Sum = 0, Odd_Sum = 0;
 
 printf("\n Please Enter the Size of an Array : ");
 scanf("%d", &Size);
 
 printf("\nPlease Enter the Array Elements\n");
 for(i = 0; i < Size; i++)
 {
      scanf("%d", &a[i]);
 } 
 while(j < Size)
 {
   if(a[j] % 2 == 0)
   {
 	Even_Sum = Even_Sum + a[j];
   }
   else
   {
 	Odd_Sum = Odd_Sum + a[j];
   }
   j++;
 } 
 printf("\n The Sum of Even Numbers in this Array = %d ", Even_Sum);
 printf("\n The Sum of Odd Numbers in this Array = %d ", Odd_Sum);
 return 0;
}

The result of the above c program; as follows:

Please Enter the Size of an Array : 5
Please Enter the Array Elements
1 5 8 9 10
The Sum of Even Numbers in this Array = 18 
 The Sum of Odd Numbers in this Array = 15 

C Program to Sum of Even and Odd Numbers in an Array using Function

/* C Program to Count Even and Odd Numbers in an Array */
#include<stdio.h>
int CountEvenNumbers(int a[], int Size);
int CountOddNumbers(int a[], int Size);
int main()
{
 int Size, i, a[10];
 int Even_Count = 0, Odd_Count = 0;
 
 printf("\n Please Enter the Size of an Array : ");
 scanf("%d", &Size);
 
 printf("\nPlease Enter the Array Elements :  ");
 for(i = 0; i < Size; i++)
 {
      scanf("%d", &a[i]);
 }
 
 Even_Count = CountEvenNumbers(a, Size);
 Odd_Count = CountOddNumbers(a, Size);
  
 printf("\n Total Number of Even Numbers in this Array = %d ", Even_Count);
 printf("\n Total Number of Odd Numbers in this Array = %d ", Odd_Count);
 return 0;
}
int CountEvenNumbers(int a[], int Size)
{
  int i, Even_Count = 0;
  printf("\n List of Even Numbers in this Array: ");
  for(i = 0; i < Size; i ++)
  {
     if(a[i] % 2 == 0)
     {
 	printf("%d  ", a[i]);
 	Even_Count++;
     }
   }
   return Even_Count;
}
int CountOddNumbers(int a[], int Size)
{
  int i, Odd_Count = 0;
  printf("\n List of Odd Numbers in this Array: ");
  for(i = 0; i < Size; i ++)
  {
     if(a[i] % 2 != 0)
     {
 	printf("%d  ", a[i]);
 	Odd_Count++;
     }
   }
   return Odd_Count;
}

The result of the above c program; as follows:

Please Enter the Size of an Array : 5
Please Enter the Array Elements :  10 5 25 30 40
List of Even Numbers in this Array: 10  30  40  
List of Odd Numbers in this Array: 5  25  
Total Number of Even Numbers in this Array = 3 
Total Number of Odd Numbers in this Array = 2 

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