Pointers and dynamic memory. a. Given the declarations what does statement 1 do? float x; float* ptr = &x; *ptr = 24.9; || statement 1 b. Write a statement that dynamically allocates memory for a float and returns the address into the pointer variable declared in part a. c. Assign the value 12 to the memory dynamically allocated in part b and pointed to by the pointer variable in part a.
Pointers and dynamic memory. a. Given the declarations what does statement 1 do? float x; float* ptr = &x; *ptr = 24.9; || statement 1 b. Write a statement that dynamically allocates memory for a float and returns the address into the pointer variable declared in part a. c. Assign the value 12 to the memory dynamically allocated in part b and pointed to by the pointer variable in part a.
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter8: I/o Streams And Data Files
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Problem 8PP: (Data processing) A bank’s customer records are to be stored in a file and read into a set of arrays...
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![5. Pointers and dynamic memory.
a. Given the declarations what does statement 1 do?
float x;
float* ptr = &x;
%3D
*ptr = 24.9; Il statement 1
%3D
b. Write a statement that dynamically allocates memory for a float and returns the
address into the pointer variable declared in part a.
c. Assign the value 12 to the memory dynamically allocated in part b and pointed
to by the pointer variable in part a.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbd141bf2-2dbd-4921-bfa7-020bfb83522c%2Fda91e1ea-daa0-4a09-8391-9adf4c8d0253%2F2n5ef6k_processed.png&w=3840&q=75)
Transcribed Image Text:5. Pointers and dynamic memory.
a. Given the declarations what does statement 1 do?
float x;
float* ptr = &x;
%3D
*ptr = 24.9; Il statement 1
%3D
b. Write a statement that dynamically allocates memory for a float and returns the
address into the pointer variable declared in part a.
c. Assign the value 12 to the memory dynamically allocated in part b and pointed
to by the pointer variable in part a.
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