Cod sursa(job #670381)

Utilizator somfeleaniuliaSomfelean Iulia somfeleaniulia Data 28 ianuarie 2012 23:03:28
Problema Factorial Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
	fstream fin("fact.in",ios::in),fout("fact.out",ios::out);

int main()
{
	int p,ok,t,j,a=1,v5=0;
	fin>>p;
	ok=1;
	while(v5<p)
	{
		j=a;
		t=0;
		while(j%5==0)
		{
			t++;
			j/=5;
		}

		v5+=t;
		a++;
	}
	fout<<a-1;

fin.close();
fout.close();
return 0;
}