Cod sursa(job #524346)

Utilizator ionelasimonaIonela Simona ionelasimona Data 20 ianuarie 2011 23:06:16
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;
int main(void)
{
	long long int i,j,y,n,s,p;
	fstream f("fact.in",ios::in),g("fact.out",ios::out);
	f>>p;
	for (i=0;i<=10000000;i=i+5)
	{s=0;
		y=5;
		while (y<=i) 
		{
			s=s+i/y;
			y=y*5;}
		if (s==p)
		{ break;}
	}
	g<<"-1";
	f.close(); g.close();
}