Answered: In C++, write a program that writes the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

In C++, write a program that writes the given number N of integers to a file but the integers written to this file will be determined with a random number generation and the number of integers N will be determined by the user input. Lastly, the generated N random numbers are stored into a file.

Expert Solution

Explanation:

C++ provides the class- fstream, to both read and write from/to files.

An example:

#include <iostream>
#include <fstream>
using namespace std;

int main () {
  ofstream myfile;
  myfile.open ("example.txt");
  myfile << "Writing this to a file.\n";
  myfile.close();
  return 0;
}

Output:

[File- example.txt]
Writing this to a file.

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