Cod sursa(job #12283)
| Utilizator |  Alexandru Vlad p1ccolino |
Data | 3 februarie 2007 13:52:23 |
|---|---|---|---|
| Problema | Factorial | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.25 kb |
#include<fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{long n,p,nr=1,i;
f>>p;
if(p==0) g<<1;
else for(n=6;n<=500000;n++)
{i=n;while(i%5==0) {nr++;i=i/5;}
if(nr==p) {g<<n;n=500001; }
}if(n==500000) g<<-1;
return 0;
}