Cod sursa(job #660084)
| Utilizator |  Andrei Stanescu andrei726 |
Data | 11 ianuarie 2012 18:29:33 |
|---|---|---|---|
| Problema | Factorial | Scor | 45 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<fstream>
using namespace std;
int main ()
{long n,p,c,e,b;
ifstream f("fact.in");
ofstream h("fact.out");
f>>p;
c=0;e=0;
if(p==0)
n=1;
else
{do
{c=c+5;
b=c;
while(b%5==0)
{e=e+1;
b=b/5;}}
while(e<p);
n=c;
if(e==p)
h<<n;
else
h<<-1;}
f.close();
h.close();
return 0;}
