Cod sursa(job #837716)

Utilizator VladThVintilescu Vlad VladTh Data 18 decembrie 2012 15:53:54
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;


int main()
{
	ifstream fin("fact.in");
	ofstream fout("fact.out");
	int p;
	fin>>p;
	int n=1,nr=0,i=1;
	if(p==0)
	{
		i=1;
	}
	else
	{
		while(nr!=p)
		{
			i++;
			n*=i;
			if(n%10==0)
			{
				n/=10;
				nr++;
			}
			n%=10;
		}
	}
	fout<<i;
	fin.close();
	fout.close();
	return 0;
}