Cod sursa(job #1481052)

Utilizator BiancaMariaIanovici Bianca Maria BiancaMaria Data 3 septembrie 2015 18:29:21
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
#include<fstream>
using namespace std;
long long i,p,n,nr,x;
int main()
{ifstream f("factorial.in");
ofstream g("factorial.out");
f>>p;
if(p==0)
n=1;
else
for(i=5;i<=p*5;i=i+5)
{x=i;
    while(x%5==0)
{nr++;
x=x/5;
}
if(nr==p)
    n=i;
}
if(n==0)
    n=-1;
g<<n;
return 0;
}