Subject :computer sciences language : c ++ Question : write a program in c++ in which the main program ask user for the number of students whose records must be inserted in file(file handling ). Afterwards, take records from user, calculate grade of students and store all records in a file. paste the screen record of the file and also the outputs.
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Subject :computer sciences
language : c ++
Question :
write a program in c++ in which the main program ask user for the number of students whose records must be inserted in file(file handling ). Afterwards, take records from user, calculate grade of students and store all records in a file.
paste the screen record of the file and also the outputs.
Step by step
Solved in 3 steps
- The following question is related to C programming system call Task-1: Write a c program that will open a file given from the command line argument and then it will ask the user to input strings that will be written to that file. It will continue to ask the user to enter a string as long as the user enters “-1”. If the given file does not exist in the directory, then your program will automatically create the file.Write a C/C++ program that calculates the least squares line for two sets of values. The program consists of several functions which are described below. The first function you need to write: int ReadFile (int *, int *); Write a function that reads the contents of a text file (Data1.txt) into two separate integer arrays. The function receives two integer pointers to arrays as parameters. The contents of the text file that is attached is structured as follows: Each line in the file contains two values that are separated by a comma. The values on the left of the comma, are stored in one array and the values on the right side is stored in the other array. The number of lines that are read from the file and stored in the arrays are returned to the calling statement. Tip: a single fscanf can read into multiple variables. Ex. the statement fscanf(fp, "%s %s\n", name,surname) will read the line John Doe and save the name and surname separately. (Note the space between %s and %s indicates…In C++ Create a function that checks to see if a file exists
- Code done in C Write a piece of code in a function called password that creates a file with a random password (it can be a number). In another function called check_password, the function must ask the user to input the password to login and it should match the password in the file. If it doesn't, it should keep asking the user to keep inputting the right password. Finally, just by passing in the two functions into the main, that would be fine. Ex. int main() { ....password(....); ....check_password(....); }In C language, write the following two functions maintaining a database of entries of type song in a file. Here is the definition of the struct song: typedef struct { char* title; char* artist; int year; } song; int add_song(const char* file_name, const song s); 1. The function gets the name of a file, and a song. If the song is not in the file, the function adds it to the file and returns 1. Otherwise, the function does not modify the file and returns 0. song* find_song(const char* file_name, const char* title); 2. The function gets the name of a file and a title of a song. It searches the file for the song with the given title. If a song is found, it returns a pointer to the song with all the details. If not found, the function returns NULL. You may assume the song titles are unique. Additional instructions and hints: 1. For the instructions on how to read and write to files see section "C Programming Files" in https://www.programiz.com/c-programming or…In C language, write the following two functions maintaining a database of entries of type song in a file. Here is the definition of the struct song: typedef struct { char* title; char* artist; int year; } song; int add_song(const char* file_name, const song s); 1. The function gets the name of a file, and a song. If the song is not in the file, the function adds it to the file and returns 1. Otherwise, the function does not modify the file and returns 0. song* find_song(const char* file_name, const char* title); 2. The function gets the name of a file and a title of a song. It searches the file for the song with the given title. If a song is found, it returns a pointer to the song with all the details. If not found, the function returns NULL. You may assume the song titles are unique. Additional instructions and hints: 1. For the instructions on how to read and write to files see section "C Programming Files" in https://www.programiz.com/c-programming or…
- Write the following two functions maintaining a database of entries of type song in a file in c language (see .h file for the definition of the struct song) int add_song(const char* file_name, const song s);The function gets the name of a file, and a song. If the song is not in the file, the function adds it to the file and returns 1. Otherwise, the function does not modify the file and returns 0. song* find_song(const char* file_name, const char* title); The function gets the name of a file and a title of a song. It searches the file for the song with the given title. If a song is found, it returns a pointer to the song with all the details. If not found, the function returns NULL. You may assume the song titles are uniqueHi, in C programming , I try to implement 2 functions to check those followings instructions in a file text : The first function :Find the number of words with duplicates on a file The second function: • Find the most frequent letter (without considering duplicates) Finally write those results on another file. ThanksThe goal for this question: DISCLAIMER****** CODE MUST BE WRITTEN IN C CODE. NOT C++, C#, etc. To create a program that MUST utilize the functions (argc, argv, char strstr, and possibly even Getline) to, 1. Open a file 2. Read the file 3. Read txt file line by line 4. count up the number of times a specified word is read(HOWEVER! IT CANNOT COUNT MORE THAN ONE WORD PER LINE!) ex. if the code comes across a line in a text file that has the word cookie in it 3 times. It can only count the word ONCE since it is counting line by line. Not all the words added up. 5. then display to the user the total number of lines with the specific word. ex. gcc -o <program name> ./<program name> <file name.txt> <"word to be searched"> then execute a total number of times words came up. Again, only count up by one even if there is that specified word multiple times in one line.
- Write the following two functions in c programming language maintaining a database of entries of type song in a file. (see .h file for the definition of the struct song) int add_song(const char* file_name, const song s);The function gets the name of a file, and a song. If the song is not in the file, the function adds it to the file and returns 1. Otherwise, the function does not modify the file and returns 0. song* find_song(const char* file_name, const char* title); The function gets the name of a file and a title of a song. It searches the file for the song with the given title. If a song is found, it returns a pointer to the song with all the details. If not found, the function returns NULL. You may assume the song titles are unique.You must solve the problem in C++ (Create a text file)Write a program to create a file named Exercise13_1.txt if it does not exist. If it does exist, append new data to it. Write 100 integers 0 to 99 into the file using text I/O. Integers are separated by a space.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,…