#include <bits/stdc++.h>
using namespace std;

int main()
{
    double arr[10];
    for(int i=0; i<10; i++) arr[i] = i + 5.6;
    cout << "test loop: arr[0], arr[1] = " << arr[0] << ", " << arr[1] << endl << endl;

    printf("addr of arr[9] is: %p\n", &arr[9]);             // if the result is addr
    cout << "value of *(arr+4) is: " << *(arr+4) << endl;   // expected result is 9.6
    printf("addr of (arr+1) is: %p\n", arr+1);              // expected result is addr-64

    // another test case
    int num[10];
    for(int i=0; i<10; i++) num[i] = i * 2;
    printf("\nthe result of *num + 7, *(num+7) = %d, %d", *num + 7, *(num+7));    // expected result is 7, 14
}