Cod sursa(job #385441)

Utilizator cati200896Durbala Catalina cati200896 Data 22 ianuarie 2010 18:39:28
Problema Factorial Scor 25
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<iostream.h>
#include<fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
long p,i,v5,c5;
char o;
int main()
{
f>>p;
v5=5;
while(c5<p) {
     i++;
     while(o==0)
     if(i%v5==0) {c5++;v5=v5*5;}else o=1;
     o=0;
     v5=5;
	     }
if(c5==p&&p!=0) g<<i;
  else if(p==0)g<<"1"; else g<<"-1";
f.close();
g.close();
}