Cod sursa(job #1106087)

Utilizator mihai17militaru mihai mihai17 Data 12 februarie 2014 14:49:20
Problema Factorial Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

int main()
{long long p,a=1,b,c,x=2,i;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
do
{a=a*x;b=0;
i=x;
x++;c=a;
while (c%10==0)
{c=c/10;b++;}

}while(b<p);
b=0;
while (a%10==0)
{a=a/10;b++;}
if(b>p)
    g<<-1;
else
    g<<i;

return 0;
}