L1p1-SDA-Factorial

//factorial.h

#ifndef             L1P1_H
#define             L1P1_H

#pragma once

#include<iostream>

using namespace std;

int factIter(int n);
int factRec(int n);

#endif;

//factorial.cpp

#include"factorial.h"


//Factorial Iterativ
int factIter(int n)
{
    int rez,i;

    for(i=1,rez=1;i<=n;i++)
        rez=rez*i;
        //rez*=i;
    return rez;

}



//Factorial Recursiv
int factRec(int n)
{
    if(n<=1)
        return 1;
    else
        return n*
        factRec(n-1);
}

//main.cpp

#include"factorial.h"

int main()
{
    int f1,f2,n;

    do
    {
        cout<<"n=";
        cin>>n;
    }while(n<0);

    f1=factIter(n);
    f2=factRec(n);

    cout<<n<<"!="<<f1<<"="<<f2<<endl;

    system("Pause");


    return 0;

}