30. Print Sum of Even Numbers

You are given an array of integers and its size. Using only pointer arithmetic:

• Traverse the array
• Find the sum of all even numbers
• Print the sum 

❌ Do not use arr[ i ] indexing.
✅ Use only pointer movement and dereferencing.
 

Example-1

Input: n = 5, arr = [10 21 32 43 50]
Output: Sum = 92

Example-2

Input: n = 4, arr = [11 13 15 17]
Output: Sum = 0

Example-3

Input: n = 6, arr = [2 4 6 8 10 12]
Output: Sum = 42