Cod sursa(job #370451)
| Utilizator |  FMI - Donisan George donydony2009 |
Data | 1 decembrie 2009 12:33:44 |
|---|---|---|---|
| Problema | Factorial | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<iostream.h>
#include<fstream.h>
#include<math.h>
int main(void)
{
long int p,i,j,k,l;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
k=0;
i=2;
j=5;
k=p*5;
while(j<=k)
{
j=pow(5,i);
l=j;
while((j<=l*5-1)&&(j<=k))
{
j=j*5;
k=k-5;
}
i=i+1;
}
if(p!=0)
g<<k;
else
g<<1;
}