/*
CS371p: Quiz #6 (5 pts)
*/

/* -----------------------------------------------------------------------
1. What is the difference between is-a and has-a abstraction?
   [Sec. 2.2, Pg. 31]
   (1 pt)

division into specialization vs. division into parts
*/

/* -----------------------------------------------------------------------
2. In terms of lvalue / rvalue, what is the left argument, right argument,
   and return value of operator +=?
   (1 pt)

lvalue, rvalue, lvalue
*/

/* -----------------------------------------------------------------------
3. What is the output of the following program?
   (2 pts)

4
*/

#include <iostream> // cout, endl

using namespace std;

int main () {
    int   i  = 2;
    int*  p  = &i;
    int** pp = &p;
    int** qq = pp;

    int* r = &++**qq;
    ++*r;
    cout << i << endl;

    return 0;}