Cod sursa(job #688336)

Utilizator DOru1995DorU FlorIN DOru1995 Data 23 februarie 2012 14:21:15
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <math.h>
#include <fstream>

using namespace std;

ifstream in("fact.in");
ofstream out("fact.out");
unsigned long int a=1;
	int k=0;
int rec(int n)
{
	 
	k++;
    a=a*k;
    if(n==1) {out<<a;
		      return 0;
		      }
	rec(n-1);
}

int main()
{
 unsigned long int n;
 in>>n;
 rec(n);
 return 0;
}