Store first n natural no in a file - c program, C/C++ Programming

Assignment Help:

Program is to store first n natural no in a file:

Write a program to store first n natural no in a file

void main()

{

fstream file;

file.open("student.dat",ios::in|ios::out|ios::app);

int n;

cout<<" enter record to be modified ";

cin>>n;

file.seekg((n-1)*sizeof());

file.read((char *)& ,sizeif());

file.write((char *)& ,sizeof());

file.close();

}

Related Discussions:- Store first n natural no in a file - c program

Explain in brief about the one-definition rule, Explain one-definition rule...

Explain one-definition rule (ODR). According to one-definition rule, C++ constructs should be identically defined in each compilation unit they are used in. As per ODR, two

Program of conversion from basic to user-defined variable, Conversion from ...

Conversion from Basic to User-Defined variable Consider the following example. class Distance { public :

Algorithm and flowcharts, algorithm to find out all the factors of given po...

algorithm to find out all the factors of given positive integers

Develop pidgin for windows, Develop Pidgin for Windows Project Descripti...

Develop Pidgin for Windows Project Description: I want to build Pidgin (open source instant messenger) for Windows with D-Bus support enabled. I've effectively built both

Padovan string, A Padovan string P(n) for a natural number n is defined as:...

A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concate

Prepare invoice ocr and document management, Project Description: We are...

Project Description: We are seeking online invoice OCR solution. That will help us to automate accounts payable function. User should be able to use the offered pdf file or s

.Compiler Design - Limit the Method Instructions, i want this topic related...

i want this topic related programm

Define advantages of multi file program, Define Advantages of Multi File Pr...

Define Advantages of Multi File Program? The main merits of spreading a program across several files are: • Teams of programmers able to work on programs. Every programmer w

Online tutor, Given an char variable last that has been initialized to a lo...

Given an char variable last that has been initialized to a lowercase letter, write a loop that displays all possible combinations of two letters in the range ''a'' through last. Th

C program to print fibonacci series upto n using recursion, C program to Pr...

C program to Print Fibonacci series upto n using recursion: int fibo(long int); void main() { long int a=0,n; printf ("how many term

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages