Based on the codes given in Program-4, illustrate the memory address of the po current values for variables a, b and c: = S : #include using namespace std; int main() { int a-5, b=10, c=15; int *ptr = &b; cout << "a, b and c values: \n"; cout << a << " " << b << " " << c << endl; ntr
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- 1: This program demonstrates the use of pointers. What is the output of this program? Assume we know that the initial address of x is 0012FF44. #include <iostream> using namespace std; int main() { int x=25; int *ptr; // pointer ptr=&x; cout<<x<<endl; cout<<*ptr<<endl; cout<<ptr<<endl; //Now we assign 100 to x *ptr=100; cout<<endl; cout<<"Now we assign 100 to x:"<<endl; cout<<x<<endl; cout<<*ptr<<endl; cout<<ptr<<endl; return 0; } Write down the output:1. Write a C program to count Non-Armstrong numbers from m and n (including m and n also) using the concept of passing pointers to function. Pass addresses of m, n and count integers from the main () function to the user defined function: calculate () [Function is not returning any value], and display the count in the main () function. 2. Write a program which should consists of a user defined function “Task ()” [Function returns no value]. Pass 1D array to the function, along with number of elements of array and element to search. Function should implement linear search, and if the element is not found in the array, then insert that element at the end of array .Display the final array after insertion [After function is called] in the main () function. [Note: Array should be passed using by reference approach]Run the following program and answer the questions. #include <stdio.h> int main() { int a[5] = {4,16,19,12,16}; int *arr_pointer = &a[0]; *arr_pointer = a[*arr_pointer]; arr_pointer++; printf("%d\n", *arr_pointer); return 0; } 1. For each line of the main function (lines 5 through 8 in particular), consider how the variable a changes as the program progresses. Explain what the value of a is at each major line and why it has such value. (Hint: the gdb step command is very helpful for this problem).
- Write a C/C++ function that receives, as arguments, a pointer to a double array, as well as the number of elements in the array (int). The function must use pointer operations (no block notation such as arr[i]) and must display each element in the array.In 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:Creat a code in c++ using s class compute array By using pointer notation, write a program that have three local arrays of same size and float type in the main () function. And consider that the values of first two are already initialized. To takethe addresses of all the arrays as arguments, write the function named ComputeArrays () that adds the contents of the first two arrays and before returning that store the results in the third array. The fourth argument to this function can store the size of the arrays.
- 2. Suppose a pointer varibale is pointing to an array of 10 items. Assume the base address of the array 1000. Explain the following statement given in (a)-(e): int arr[10] = {3,4,5,6,6,8,50); int *ptr = &arr(2); (a) ptr = arr; Identify the value of ptr. (b) *ptr+7), what this expression will return (c) *(arr+3), what this expression will return (d) *++ptr; what this expression will return le) &arr[3] - ptr/2; what this expression will return explainProgram in C. Suppose three numbers x, y, z are passed to a function. Implement this function to assign the values of y to x, z to y and x to z and return these three changed values to main. Use pointer.Assume that pointer ptr is a pointer to a double, and has initial value of 0xfc0f. What is the value of ptr after the pointer has been decremented? (assume a 4 byte double) Group of answer choices 0xfb0e 0xfc13 0xfc0b 0xfc0e
- 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…write in c++ Write ONE program that contains the following (#includes are NOT necessary). [Hint: be very careful with your pointer syntax] Write a function copies with two int parameters, named n and x. It should dynamically allocate a new array of size n. The function should then copy the value in x to every position in the array. The function should return a pointer to the new array. In the main function, call the copies function from part 1. with size 5 and value -1. Output the resulting array to the screen, and deallocate the array. In your main function, add code to declare and initialize two integer variables y and z to 10 and 3. Then call the function increment which has the prototype below. The call should result in incrementing the value in y by z (so y will become 13). void increment (int *a, int b); //do NOT define this function// this function adds b to the value pointed to by the first argumentC Programming-Plz fix this code We can return multiple values from functions using pointers. Let's see an example. # include <stdio.h> void add Gr.marks (int * m) { *m = * m + 10; } void main ( ) { int marks; clrscr ( ); printf("enter actual marks:"); scanf(" % d", & marks); add Gr.marks (& marks); printf(" \n the graced marks is :\t % d", marks); }