Cod sursa(job #1090601)
Utilizator | Data | 22 ianuarie 2014 20:50:54 | |
---|---|---|---|
Problema | Factorial | Scor | 35 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include <fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{
long p,i=5,s=0,x;
f>>p;
while(s<p)
{
x=5;
while(i%x==0)
{
s++;
x*=5;
}
i=i+5;
}
if(p==0)
g<<1;
else if(p==s)
g<<i-5;
else g<<-1;
}