Sum of Array Using Pointer

#include <stdio.h>

int main() {
    int arr[] = {1, 2, 3, 4, 5};
    int *p = arr;
    int sum = 0, n = 5;
    for (int i = 0; i < n; i++) sum += *(p + i);
    printf("Sum = %d\n", sum);
    return 0;
}

Sum = 15