C++ ASAP...

For the assignment, we will write a program that calculates the total grade for N classroom exercises as a percentage.

The user should input the value for N followed by each of the N scores and totals.

Calculate the overall percentage (sum of the total points earned divided by the total points possible) and output it as a percentage.

Then determine the letter grade using the following scale:

A: 93%-100% ;

A-: 90%-92.99% ;

B+: 87%-89.99% ;

B: 83%-86.99%;

B-: 80%-82.99%;

C+: 77%-79.99%;

C: 73%-76.99%;

C-: 70%-72.99%

; D+: 67%-69.99%;

D: 63%-66.99%;

D-: 60%-62.99%;

F: Less than 60%.

Match your program with the sample input and output as shown below.

How many exercises to input? 3

Score received for exercise 1: 10

Total points possible for exercise 1: 10

Score received for exercise 2: 7

Total points possible for exercise 2: 12

Score received for exercise 3: 5

Total points possible for exercise 3: 8

Your total is 22 out of 30, or 73.33%.

Your letter grade is C.