Reading From a File

#include<iostream>

#include<fstream> // for file handling

unsing namespace std;

int main()

{

     ifstream in; // declaring a variable

     in.open("file.txt"); // opening the file 

     if(!in)

            {

                   cout<<"No File is Found"<<endl; // if file was not present

                   return 0;

             }

     while(in) // this while loop runs till the file is not end

      ............... // this portion includes the work you want to do with the file

     in.close(); // closes the file

     return 0;

}