need help c++ Write the specified code: 1. Initialize an dynamic integer array of size 5 with the values 1,2,3,4,5. 2. Use pointer arithmetic to swap the 2nd and 4th values in the array. 3. Use a loop and pointer arithmetic to print all array values. PLEASE USE POINTER ARTHIMETIC IN YOUR CODE
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need help c++
Write the specified code:
1. Initialize an dynamic integer array of size 5 with the values 1,2,3,4,5.
2. Use pointer arithmetic to swap the 2nd and 4th values in the array.
3. Use a loop and pointer arithmetic to print all array values.
PLEASE USE POINTER ARTHIMETIC IN YOUR CODE
Step by step
Solved in 4 steps with 2 images
- Write a C++ function that uses pointer notation only to swap the contents of two integer arrays whose size is equal to SIZE?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];Consider the following C++ Code - Write a C++ code that outputs the contents of the array to which strPtr Points and deallocates the memory space occupied by the array to which strPtr points. - Can you modify the code to use a different array size for strPtr? How would this affect the output of the program?
- 5. Write a C++ function which accepts an int array and the array size as arguments. The function should dynamically create a new array which is the same size as the array passed in. Each element in the new array should be double the corresponding element in the array passed in. Return a pointer to the new array. E.g. if you pass in the array {2, -3, 5} of size 3, it should create a new array of size 3 with values {4, -6, 10} and return a pointer to it. int *doubler(int a[], int size) 6. Consider the following line of code: int temps[3] = {68, 72, 62}; - What does *temps contain? - What does *(temps+1) contain? - What does temps[1] contain? 7. The _____ function returns true if the character is an upper case letter of the alphabet: a) toupper() b) isupper() c) isalpha() d) isdigit() e) none of these 8. The _____ function converts a C-string to an int: a) strlen() b) length() c) len() d) atoi() e) none of theseWrite a c++ function that accepts an array of doubles and the array’s size as its only arguments. The function should use dynamic memory allocation to create a new array that is double the size of the argument array. The function should copy the contents of the argument array to the second half of the new array and initialize the first half of the new 0s. The function should return a pointer to the new array. So, if the original array contained 1 2 3 4, the new array should contain 0 0 0 0 1 2 3 4. So, if the original array contained 1 2 3 4, the new array should contain 0 0 0 0 1 2 3 4.What is a variable pointer? What follows? It is a variable array. Why are pointers and dynamic arrays problematic?
- C++ By defining a dynamic allocation for pointer array, ask the user to enter some numbers and then return a sorted list of those numbers.Write a C function that is given a pointer to memory, the number of bytes of memory the pointer points at, and two pointers to uint32_t. Your job is to treat the pointer as if it were a pointer to an array of uint32_t, find the min and max values of the array, and write the results to the locations pointed at by the uint32_t pointers. The number of bytes will be a positive multiple of 4. Do not worry about endianess in this problem. Note the tester has command line options -Wall -Wextra -Werror -fsanitize=address to help you catch errors.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:
- 3.) Write a C++ program that will prompt the user for the size of a list of integers. Your program will 1. dynamically allocate an array of that size and allow the user to enter the values. 2. Your program will then go through the list and copy all even numbers to another dynamically allocated array. The functionality of 1 and 2 need to be accomplished by separate functions. 4.) Redo question number 3 with these changes. Instead of dynamically allocating an array to store the data, your program will will an STL array. Even numbers will also be copied to an STL array. The input of the data and copying of even numbers will require the program to start at the beginning of the array and walk thorugh the values to the end. This must be done using iterators.Write a program in C++, which has a function to swap/exchange elements of two arrays of type float of size N each. Function is passed pointers of the arrays and their size for processing. Inside the function, use pointer to access elements of arrays. Your program should have the followings: Prototype of the function Definition of the function Two arrays discussed above are declared and initialized in the main() function. Do not take input from keyboard. Call function from main() to exchange elements of arrays Display elements of arrays before and after calling functionsWhen asked, "What is a pointer variable?" What should we do now? That's because it's an array that changes on the go. Why are pointers and dynamic arrays problematic?