Cod sursa(job #1711539)
Utilizator | Da Vinci Daniell | Data | 31 mai 2016 16:37:41 |
---|---|---|---|
Problema | Factorial | Scor | 45 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.49 kb |
#include <fstream>
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
int p;
int desc(int h,int k)
{
h/=5;
if(!((h/5)%5)) return 1+desc(h,k);
return 1;
}
int rez(int h,int k)
{
h+=5;k++;
if(!((h/5)%5))
k+=desc(h,k);
if(k<p)
return rez(h,k);
if(k==p)
return h;
return -1;
}
void read()
{fin>>p;
if(p==0)fout<<1;
else
fout<<rez(5,1);
}
int main()
{
read();
return 0;
}