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- Discuss the two different ways that a file may be opened inside of a C++ application. When might one approach be more appropriate than the other?Write a c++ program to implement file handling.Complete the C++ programs lastline.c and longestline.c, where each program should: - Take a single command-line argument representing the input file name, - Process the input file, and - Write to standard output
- Solve the problem in C++ (Process scores in a text file) Suppose that a text file Exercise13_3.txt contains an unspecified number of scores. Write a program that reads the scores from the file and displays their total and average. Scores are separated by blanks.Write a fragment of code in C++ that opens a file called txt for input. If the file does not exist, the code should create the file.Write a complete C program that does the following:1) Read the data stored in the file "rec.txt" into an array of records containing the student ids and the student names.2) Sort the array of records following the students' names in alphabetical order and display the sorted names on the screen.3) Prompt the user to search for the student id by the student's name.
- You must solve the problem in C++. (Process scores in a text file) Suppose that a text file Exercise13_3.txt contains an unspecified number of scores. Write a program that reads the scores from the file and displays their total and average. Scores are separated by blanks.C++ And I have a 3 Q which is that when I make a file in the computer for the c++ program to read and surch for it it doesn't it says error not found what is the problem?Write C++ Program that does the following: •Instead of reading data from the user, create a txt file that will be imported into the code •The format of the file is: –First line: number of records –Subsequent lines: Last name on a line by itself First name and three homework grades •Read function: parameters are –An instream, passed by reference, from which to read the data –Fields for firstname, lastname, grade1, grade2, grade 3 •The read function should read in the data from the instream. It is a void function •What types are the parameters? How will you pass them? •Write function: parameters are –Firstname, lastname, grade1, grade2, grade3, average grade, letter grade –What types are those parameters? Do you need to pass them by reference? •The write function will write the data to the screen formatted neatly –Which formatting instructions will you need to use? Overall program flow: •Open the file in the main program. •Read in the number of records •For each record,…