1. Given the codes below. Draw a memory layout of pointers and variable(i-ii). What is the output (iii)? int x = 11; int y = 20; int* ptr; i) ii) iii) ptr=&y; *ptr=*ptr + x; cout << x<<" "<

1. Given the codes below. Draw a memory layout of pointers and variable(i-ii). What is the output (iii)? int x = 11; int y = 20; int* ptr; i) ii) iii) ptr=&y; ptr=ptr + x; cout << x<<" "<

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter10: Pointers

Section: Chapter Questions

Problem 3PP

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Concept explainers

Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.

Question

1. Given the codes below.
Draw a memory layout of pointers and
variable(i-ii). What is the output (iii)?
int x = 11;
int y = 20;
int* ptr;
i)
ii)
iii)
ptr=&y;
*ptr=*ptr + x;
cout << x<<" "<<y;

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