Answered: th for a programmer and for a general…

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

Good Programming practices help in improving programs readability
and understandability both for a programmer and for a general user.
What changes would you make in the following program, written by a
beginner, keeping in view the good programming practices.
You are also required to write the output of the program if a user wants
to find factorial of number 6.

Note: The Program finds/calculates factorial of a number using a user
defined recursive function.

#include<iostream>
using namespace std;
int f(int n);
int main()
{
int n;
cout << "Enter: ";
cin >> n;
cout << "Answer:
=" <<factorial(n);
return 0;
}
int f(int n)
{
if(n > 1)
return n * f(n - 1);
else
return 1;
}

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