Cod sursa(job #604934)
Utilizator | Data | 26 iulie 2011 10:16:08 | |
---|---|---|---|
Problema | Factorial | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include <fstream.h>
long nr,m,p,n;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{
f>>p;
n=0;nr=0;n=0;
while(nr<p)
{
n++;
if(n%5==0)
{
m=n;
while(m%5==0)
{
m=m/5;
nr++;
}
}
if(nr>p)
{
break;
g<<"-1";
}
}
g<<n;
return 0;
}