in a .cpp file pls help

Create a program to calculate grades as well as descriptive statistics for a set of test scores. The test scores can be entered via a user prompt or through an external file. For each student, you need to provide a student name (string) and a test score (float). The program show do the followings: Assign a grade (A, B, C, D, or F) based on a student's test score (0-100) Display the grade roster as shown below: Nane Test Score Grade A Ann John Karen 90 100 93 Calculate the following descriptive statistics (as shown below) o Number of students in the class o Average score o Maximum score o Minimum score Class Statistics - Number of students in the class : 3 Class Average: 94.3333 Maxinun Test Score: 100 Minimum Test Score: 90 The program must use A loop structure (for-loop, while-loop, or do-while-loop) o Conditional processing (if-then-else) O Arrays