Cod sursa(job #520323)

Utilizator alexdmotocMotoc Alexandru alexdmotoc Data 7 ianuarie 2011 23:48:25
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>

using namespace std;

int main()
{
	ifstream f("fact.in");
	ofstream g("fact.out");
	
	int n,i,nr,k=0,j;
	
	f>>n;
	if (n==0)
	{
		g<<1;
		return 0;
	}
	if (n==5)
	{
		g<<-1;
		return 0;
	}
	for(i=2;k<n;i++)
	{	if((i*(i+1))%10==0)
			k++;
		i++;
	}
	g<<i-2;

	return 0;
}