Print Sum of Even Numbers

#include <stdio.h>

int sum_even_numbers(int *ptr, int n) 
{
    int a = 0x00;
    // Your logic here
    for (int i = 0; i < n; i++)
    {
        if ((*ptr) % 2 == 0)
        {
            a = a + *ptr;
            //printf("Value: %d\n", a);
        }
        ptr++;

    }
    //printf("Value: %d\n", *ptr);
    return a;
}

int main() {
    int n;
    scanf("%d", &n);

    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int result = sum_even_numbers(arr, n);

    printf("Sum = %d", result);

    return 0;
}