Cod sursa(job #303669)

Utilizator valentinroscaRosca Valentin valentinrosca Data 10 aprilie 2009 09:56:24
Problema Factorial Scor 25
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<math.h>
#include<fstream.h>
ifstream fin("fact.in");ofstream fout("fact.out");
long nr,s,p,k,i,j;
int main()
{
	fin>>k;
	if(k==0)
		fout<<1;
	else
	{
		do
		{
			s=0;
			p=5;
			while(nr/p)
			{
				s=s+nr/p;
				p=p*5;
			}
			nr=nr+5;
		}
		while(s<k);
		fout<<nr-5;;
	}
	return 0;
}