using C++

Problem Statement: write a grade book application that calculates the letter grades of 3 students based off 5 test scores for each student using this table. Each student's lowest score should be dropped (not included in their average) Test Score Letter Grade 90-100 80-89 70-79 60-69 0-59 Storing Information: Your program should use an array of string objects to hold the 3 student names, an array of characters to hold the 3 students' letter grades, and 3 arrays (one for each student) of 5 doubles to hold each student's set of test scores. User Input: and his or her 5 The program should allow the user to enter each student's name each student's average test test scores for all 3 students. It should then calculate and display score and a letter grade based on the average. Input validation: Do not accept test scores less than 0 or greater than 100. If an incorrect value is input, ask the user again until they provide a valid score. Average Calculation: it drops each student's lowest score Remember to modify the grade book application in so when determining the test score averages and letter grades