Machine Problem
Write a program that uses a function that will ask the user to give a number and then the program will compute the factorial equivalent of the given number by the user.
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Program Listing
// factorial.cpp
// Author : Mr. Jake R. Pomperada, BSCS,MAED-IT
// Date : August 26, 2018 Sunday 5:19 PM
// Location : Bacolod City, Negros Occidental Philippines.
// Website : http://www.jakerpomperda.com
// Email : jakerpomperada@jakerpomperada.com and jakerpomperada@gmail.com
#include <iostream>
#include <conio.h>
using namespace std;
// function prototype declaration
int factorial(int);
int main()
{
int num_input=0;
int solve=0;
cout <<"\n\n";
cout <<"\tFactorial a Number Solver";
cout <<"\n\n";
cout<<"\tGive a Number : ";
cin>>num_input;
solve= factorial(num_input);
cout <<"\n\n";
cout<<"\tThe factorial value of "<<num_input<<" is "<<solve<<".";
cout <<"\n\n";
cout << "\tEnd of Program";
cout <<"\n\n";
getch();
}
// function factorial
int factorial(int a)
{
int fact=1;
while(a>=1)
{
fact=fact*a;
a--;
}
return fact;
}
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