Cod sursa(job #538375)
Utilizator | Data | 21 februarie 2011 09:57:54 | |
---|---|---|---|
Problema | Factorial | Scor | 25 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include <fstream>
using namespace std;
int main() {
ifstream f("fact.in");
ofstream g("fact.out");
int n, tmp, p;
f>>p;
if (!p) g<<"1\n";
else {
n = 0;
while (p) {
tmp = (++n);
while (tmp%5 == 0) {
tmp /= 5;
p--;
}
}
g<<n<<"\n";
}
f.close(); g.close(); return 0;
}