Cod sursa(job #532794)
Utilizator | Data | 12 februarie 2011 15:04:28 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<fstream>
using namespace std;
int zero(int n)
{
if(n==0) return 1;
int n0=0,i=5;
do
{
if(i%10==5) n0++;
if(i%10==0) n0++;
i+=5;
}while(n0!=n);
return i-5;
}
int main()
{
int n;
ifstream f("fact.in");
ofstream g("fact.out");
f>>n;
g<<zero(n);
return 0;
}