Cod sursa(job #780325)
Utilizator | Data | 20 august 2012 12:16:21 | |
---|---|---|---|
Problema | Factorial | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.45 kb |
#include <fstream>
using namespace std;
ifstream in("factorial.in");
ofstream out("factorial.out");
int main()
{
long int p=0,cinci=0,aux=0,plus=0;
double putere=0;
in>>p;
cinci=5;
while(putere/5<p)
{
aux=cinci;
plus=0;
while(aux%5==0)
{
++plus;
aux=aux/5;
}
putere=putere+plus*5;
cinci+=5;
}
if (putere/5>p)
putere=putere-5*(p-5*putere);
if(p==0)
out<<"1";
else
out<<putere;
return 0;
}