Cod sursa(job #585075)
Utilizator | Data | 27 aprilie 2011 22:13:01 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.36 kb |
#include<cstdio>
#include<fstream>
using namespace std;
int main()
{int n,p,i,r,a,k;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
i=0;
do
{n=i;
r=0;
k=0;
if (n%2==0)
{ k++;
n=n/2;}
if (i%5==0)
{r++;
n=n/5;}
i++;}
while((k!=p)&&(r!=p));
if ((k==p)||(r==p))
g<<n<<"\n";
else
g<<-1<<"\n";
f.close();
g.close();}