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- Please choose which of these are true about pointers. Check all that apply. Wrong answers will subtract points. O A pointer contains an address in RAM. The pointers we studied were mainly variables. O A pointer can be initialized with a special value called nullptr. In the material we studied, we saw that a pointer can contain an entire array. This definition: double * dp; means that the dp variable can contain a double. Assume this is a function heading for the code you will write: void somthing10 (int * ptr) a. In one line of code, how could you add 10 to what ptr points to? b. Assume ptr points to the first element in an array of ints, each of which takes up 4 bytes of memory in RAM. In one line of code, how could you store 10 into the third element in the array? If this is not possible, enter "np"Which of the following will exchange the values at addresses identified by pointers p and q? (All assignments may be assumed to be between compatible types). Select one: O a. Any will work. O b. temp = p; p = q; q = temp; O c. temp = p; *p = *q; q = temp; O d. temp &p; *p = *q; q = *temp; None will work. O e. O f. temp = *p; *p = *q; *q = temp;Write a functionvoi d switchEnds(in t *array, i nt size);that is passed the address of the beginning of an array and the size of the array. Thefunction swaps the values in the first and last entries of the array.
- Assembly language for x86 Processors Create a procedure named FindLargest that receives two parameters: a pointer to a signed doubleword array and the array's length. The procedure must return the value of the largest array member in EAX. Use the PROC directive with a parameter list when declaring the procedure. Preserve all registers (except EAX) that are modified by the procedure. Write a test program that calls FindLargest and passes three different arrays of lengths. Be sure to include negative values in your arrays. Create a PROTO declaration for FindLargest. My program is not compiling, please help. INCLUDE Irvine32.inc .data .code FindLargest PROC, arrayNum: ptr dword, arraySize: dword mov esi, arrayNum mov ecx, arraySize mov eax, [esi] dec ecx ScanArray: add esi, 5 mov ebx, [esi] cmp ebx, eax jle checkNumber mov eax, ebx CheckNumber: loop scanArray ret exit FindLargest ENDP END FindLargestWhich of the following is not a programming convention to avoid a potential pitfall associated with the use of smart pointers? If you use a smart pointer and an exception occurs in your program, remember that you must use the delete operation to manually free the memory associated with the smart pointer. Don't use get() to initialize or reset another smart pointer. If you use a pointer returned by get(), remember that the pointer will become invalid when the last corresponding smart pointer goes away. Don't delete the pointer returned from get). If you use a smart pointer to manage a resource other than memory allocated by new, remember to associate a deleter function when declaring the smart pointer. Don't use the same built-in pointer value to initialize (or reset) more than one smart pointer. O OCreate a procedure named FindThrees that returns 1 if an array has three consecutive values of 3 somewhere in the array. Otherwise, return 0. The procedure's input parameter list contains a pointer to the array and the array's size. Use the PROC directive with a parameter list when declaring the procedure. Preserve all registers (except EAX) that are modified by the procedure. Write a test program that calls FindThrees several times with different arrays.
- Write a program that will take n floating point numbers as input and print the sum, average and maximum of the numbers. Use dynamic memory allocation and pointers to do the task. Sample input file: 5 12 24 34 45 56 Sample output file: Sum : 171.0 Average : 34.2 Maximum : 56Write a C++ program that determines if an integer array is a palindrome. Declare two pointers to the array. One pointer points to the starting of the array, another points to the end of the array. Using these pointers determine whether the array is a palindrome. Increment the pointer, which points to the starting of the array, and decrement the pointer which points to the end of the array. The program should ask the user to enter the array size, and then creates an integer array dynamically using the entered size. The user is then asked to fill the array, which is then checked as mentioned earlier. Remember to delete the dynamic array before exiting the program.Write a function void switchEnds(int *array, int size);that is passed the address of the beginning of an array and the size of the array. The function swaps the values in the first and last entries of the array.
- Did I correctly do this function? Did I correctly do the precondition and postcondition? //Precondition: flag_position is a non-negative integer and hBit_flags is a handle to a valid Bit_flags object.//Postcondition: returns the value of the flag at index flag_position if it is in bounds or -1 otherwise.int bit_flags_check_flag(BIT_FLAGS hBit_flags, int flag_position){Bit_flags* pBit_flags = (Bit_flags*)hBit_flags;int i = flag_position / 32;flag_position %= 32;return ((1 << flag_position) & (pBit_flags->data[i])) != 0;if (flag_position <= pBit_flags->capacity) { return *pBit_flags->data;}else{ return -1;}}The program below uses pointer arithmetic to determine the size of a 'char' variable. By using pointer arithmetic we can find out the value of 'cp' and the value of 'cp+1'. Since cp is a pointer, this addition involves pointer arithmetic: adding one to a pointer makes the pointer point to the next element of the same type. For a pointer to a char, adding 1 really just means adding 1 to the address, but this is only because each char is 1 byte. Compile and run the program and see what it does. Write some code that does pointer arithmetic with a pointer to an int and determine how big an int is. Same idea – figure out how big a double is, by using pointer arithmetic and printing out the value of the pointer before and after adding 1. What should happen if you added 2 to the pointers from exercises 1 through 3, instead of 1? Use your program to verify your answer #include <stdio.h>int main( ) { char c = ‘Z’; char *cp = &c; printf("cp is 0x%08x\n", cp); printf("The character…Given an array of 100 elements, what happens when a C++ program attempts to store a value within the array using an index value of 100? O The value is stored at the memory location immediately following the array O An out of bounds exception is thrown O The program immediately aborts O The value is stored in the first elements of the array