Rewrite the following C++ program using:

1. Multiway if-statements
2. Switch statements

#include

using namespace std;

int main()

{

double grade;

cout << "Enter grade (between 0 and 100):";

cin >> grade;

//--map the grade

if (grade >= 95 && grade <= 100) {

cout << "Your grade is A ";

}

if (grade >= 90 && grade < 95) {

cout << "Your grade is A- ";

}

if (grade >= 85 && grade < 90) {

cout << "Your grade is B+ ";

}

if (grade >= 80 && grade < 85) {

cout << "Your grade is B ";

}

if (grade >= 75 && grade < 80) {

cout << "Your grade is B- ";

}

if (grade >= 70 && grade < 75) {

cout << "Your grade is C+ ";

}

if (grade >= 65 && grade < 70) {

cout << "Your grade is C ";

}

if (grade >= 60 && grade < 65) {

cout << "Your grade is C- ";

}

if (grade >= 55 && grade < 60) {

cout << "Your grade is D ";

}

else{

cout << "The grade is F or you have entered an invalid grade. ";

}

system("pause");

return 0;

}