Cod sursa(job #351451)
| Utilizator |  Daniel Placinta pddd |
Data | 28 septembrie 2009 10:02:41 |
|---|---|---|---|
| Problema | Factorial | Scor | 5 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<iostream>
#include<fstream>
using namespace std;
long int i,x,n,p,nr;
unsigned long int fact(int n)
{
if(n==0) return 1;
else return n*fact(n-1);
}
int main()
{
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
if(p==0)
g<<"1";
if(p<0||p>100000000)
g<<"-1";
i=p*5;
g<<i;
f.close(); g.close(); return 0; }