Cod sursa(job #602153)
Utilizator | Data | 9 iulie 2011 13:17:41 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<iostream.h>
#include<math.h>
#include<fstream.h>
int main()
{int n,s=0,i,j;
ifstream f("fact.in");
ofstream g("fact.out");
f>>n;
if(n==0)
g<<1;
else
{for(i=5;s<n;i=i+5)
for(j=1;j<=i;j++)
{
if(pow(5,j)==i)
{s=s+j;break;}
else
if(pow(5,j)>i)
{s=s+1;break;}}
g<<endl<<(i-5);}
return 0;
}