a. Write C++ statements that include the header files iostream and string.
b. Write a C++ statement that allows you to use cin, cout, and endl
without the prefix std::.
c. Write C++ statements that declare the following variables: name of
type string and studyHours of type double.
d. Write C++ statements that prompt and input a string into name
and a double value into studyHours.
e. Write a C++ statement that outputs the values of name and studyHours
with the appropriate text. For example, if the value of name is "Donald"
and the value of studyHours is 4.5, the output is:
Hello, Sam! on Saturday, you need to study 4.5 hours for the exam.
f. Compile and run your program.
using namespace std;
cout << "Please enter your name: ";
cin >> name;
cout << "Please enter the number of study hours: ";
cin >> studyHours;
cout << "Hello " << name << "! on Saturday, you need to study " << studyHours;
cout << " hours for the exam. " << endl;