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Chapter 12, Problem 12SA

Explanation of Solution

The program execution is explained in the in-lined comments:

#include <iostream> 

#include <iomanip>

using namespace std; 

int main()  

{  

    //declare pointer variables and allocate memory

    int *myPtr = new int;

    int *yourPtr = new int;

    //assign value to the memory location pointed to by myPtr

    *myPtr = 10;

    //assign value to memory location pointed to by myPtr

    //using an arithmetic expression

    //RHS expression = 2 &*#x00A0;10 + 3 = 23

    *yourPtr = 2 &*#x00A0;*myPtr + 3;

    //print statement using arithmetic expression

    //value held in memory location myPtr is 10

    //the second expression = (23 - 10 + 5) = 18

    cout << *myPtr << " " << (*yourPtr - *myPtr + 5) << endl;

    //pointer myPtr assigned the pointer yourPtr so

    //now myPtr refers to the memory location holding

    //the value 23

    myPtr = yourPtr;

  ;&#...

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