Cod sursa(job #675836)
| Utilizator | Data | 8 februarie 2012 12:40:16 | |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<iostream.h>
#include<fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
long p,n,k,p5;
void main()
{f>>p;
k=5;
if (p==0)g<<1;
for (n=10;n<=100000000;n+=5)
{while(n/k>0)
{p5=p5+n/k;
k=k*k;
}
if(p5==p)
{g<<n;break;}
else {k=5;p5=0;}
}
f.close();
g.close();
}
