In the context of C++ and pointers. A pointer is of data type Blank 1 as it holds the address of a variable. Assuming we have a pointer call "ptr" In order to obtain the value of the variable we use the "ptr notation saying that we "pointed to the pointer Blank 1 Add your answer Blank 2 Add your answer
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- Problem 8. What is the correct syntax of declaring array of pointers of integers of size 10 in C++? a) int arr = new int[10]; b) int **arr = new int*[10]; c) int *arr = new int[10]; d) int *arr = new int*[10];What's the distinction between void and NULL pointers? Give appropriate examples to back up your answer. Give the distinctions in TABULAR form.WRITE THE PROGRAM IN C LANGUAGE : Write a program to countNon-Armstrong numbers fromm and n (including m and nalso) using the concept ofpassing pointers to function.Pass addresses of m, n andcount integers from the main ()function to the user definedfunction: calculate () [Functionis not returning any value], anddisplay the count in the main ()function.
- C PROGRAMMING Differentiate the output of the two programs. a. struct node {int x;node *next;};int main(){node *root; // This will be the unchanging first noderoot = new node; // Now root points to a node structroot->next = 0; // The node root points to has its next pointer// set equal to a null pointerroot->x = 5;} // By using the -> operator, you can modify the node// a pointer (root in this case) points to. b.struct node {int x;node *next;};int main(){node *root; // This won't change, or we would lose the list in memorynode *conductor; // This will point to each node as it traverses the listroot = new node; // Sets it to actually point to somethingroot->next = 0; // Otherwise it would not work wellroot->x = 12;conductor = root; // The conductor points to the first nodeif ( conductor != 0 ) {while ( conductor->next != 0)conductor = conductor->next;}conductor->next = new node; // Creates a node at the end of the listconductor = conductor->next; // Points to…Write a program to find the number of times that a given word occurs in a sentence using pointers. Read data from standard input. The first line is a single word, which is followed by general text on the second line. Read both up to a new line character, and insert a terminating null before processing. Typically output should be : The word is “ the ”. The sentence is “ the cat on the mat “ . The word occurs 2 times. IN C LANGUAGEIn C++ Create an array of head pointers, statically allocated of size 101 of that type: Now, create a pointer that can point to the first element: Show how to dynamically allocate an array of 101 elements of head pointers: Write the code to initialize each element to NULL: Rewrite the code to initialize each element to NULL using pointer arithmetic:
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- This lab will exercise your understanding of some of the concepts covered in Chapter 14: pointers and linked lists 1. Declare an integer pointer variable intPointer. Initialize it to point to an int variable named someInt. Assign the value 451 to someInt and output (cout) the variable someInt and output (cout) the value pointed to by intPointer. Write an assignment statement that indirectly stores 900 into the value pointed to by intPointer. Output (cout) the value pointed to by intPointer and output (cout) the variable someInt, 2. Declare a pointer variable charArrPointer and initialize it to point to the first element of a three-element char array named initials. Write assignment statements to store 'A', 'E', and 'W' into the first three elements of the array POINTED to by charArrPointer. Do NOT store any values directly into the array named initials. 3. Output (cout) the data in array charArrPointer and the data in array initials. 4. Copy the following code into your program above…A pointer variable is just what it sounds like. What is its purpose? Exactly what does it mean to have a "dynamic array"? Pointers and dynamic arrays have what relationship?Write a program to find the number of times that a given word occurs in a sentence using pointers. Read data from standard input. The first line is a single word, which is followed by general text on the second line. Read both up to a new line character, and insert a terminating null before processing. Typically output should be : The word is “ the ”. The sentence is “ the cat on the mat “ . The word occurs 2 times.