Cod sursa(job #229754)

Utilizator silothAndrei siloth Data 11 decembrie 2008 13:17:19
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int p,n;
int fct(int i)
{int j=0;
 while(i%5==0&&i!=0)
 {j++;i=i/5;}
 return j;
}
int main()
{ifstream f("fact.in");
ofstream g("fact.out");

f>>p;
int i=5,r=0;
 if(p==0) g<<"1";
else
 while(r<=p)
 {
 r=r+fct(i);
  i=i+5;
 }

 if(n<0) g<<"-1";
 else
 g<<i;
 return 0;
}