Cod sursa(job #442771)
Utilizator | Data | 15 aprilie 2010 10:17:58 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{ int n,x=0,t=5;
long p;
f>>p;
n=p*5;
if(p==0)
g<<1;
else
{
while(t<=n)
{
t=t*5;
x++;
if(t<=n)
n-=5*x;
}
g<<n;
}
f.close();
g.close();
return 0;
}