Question: Write a C++ program which reads from a file a list of student scores (real numbers between 0 and 100) terminated by a -1 value

Write a C++ program which reads from a file a list

Write a C++ program which reads from a file a list of student scores (real numbers between 0 and 100) terminated by a -1 value and calculates and prints the percentages of students who get A grades (score >-90), B grades (80

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