Cod sursa(job #671824)

Utilizator TIBSTiberiu Iorgulescu 321CA TIBS Data 31 ianuarie 2012 22:00:45
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.24 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;

int main()
{unsigned long long int p, i;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
f.close();
if(p==0)
	g<<1;
else
{for(i=5;i<p;i*=5)
	p-=(p-1)/i;
g<<5*p;}
g.close();
return 0;
}