1. Write C++ statements to do the following: a) Declare string pointer variables named strPtr1 and strPtr2. b) Allocate an anonymous string variable, and make strPtr1 point to it. c Input a string value from the keyboard and store it in the anonymous variable of part (b). d) Display the length of the anonymous string variable of part (b). e Cause strPtr2 to point to the anonymous variable of part (b). f Declare a double pointer variable named doublePt:r g) Allow the user to enter n, the number of values to be processed; then allocate an anonymous array of n double values, and make doublePtr point to it. h) Fill the anonymous array of part (g) with n input values, entered from the keyboard. i) Deallocate the storage of the anonymous variable of part (b) j) Deallocate the anonymous array of part (g)