Cod sursa(job #538475)

Utilizator iuliannnTatar Cornel iuliannn Data 21 februarie 2011 15:45:19
Problema Factorial Scor 35
Compilator cpp Status done
Runda contest- Marime 0.35 kb
Raporteaza aceasta sursa 
#include<iostream.h>
#include<fstream.h>

ifstream in("fact.in");
ofstream out("fact.out");

int main()
{
int p,ok=0,n,twos=0,fives=0,pp;
in>>p;

for(n=1;ok==0 && n>0;n++)
{
pp=n;
while(pp%5==0){
if (pp%5==0) { fives++; pp=pp/5;}
}

if(fives>=p)
ok=n;
}

if(fives != p) out<<-1;
else out<<ok;

out.close();
in.close();

return 0;
}