Write a C++ program that uses a structure to store student data for 30 students from a file, he input I lie consists of the following data for each student: Student's first name Quiz 1 Quiz 2 Quiz 3 The program should have an array of 30 structures to hold this data. When the program runs, it should read the data from an input file named students.txt. Please use secure coding techniques. Write the following functions: read- Reads the student data from the input file. Your program must check lo make sure that the file exits: if it does not. you should print an error message. averageTest Computes and write to the outfile the average quiz score tor each student. all Averages Computes and write to the outfile the average quiz score for each quiz