Cod sursa(job #262893)
Utilizator | Data | 19 februarie 2009 18:50:42 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<fstream>
using namespace std;
int main()
{
ifstream in ("fact.in");
ofstream out("fact.out");
long int p,nrtz,i,rtz,ii;
in>>p;
nrtz=5*p;
rtz=nrtz;
for (i=25;i<=nrtz-5;i+=25)
{ii=i/5;
while(ii%5==0)
{ rtz=rtz-5;
ii=ii/5;
}
}
if (nrtz==0) nrtz =1;
out<< rtz;
in.close();
out.close();
return 0;
}