Cod sursa(job #1639292)
Utilizator | Data | 8 martie 2016 11:41:30 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream in ("fact.in");
ofstream out ("fact.out");
int main()
{
int a=1,n=1,p;
in>>p;
int c=pow(10,p);
while (a%c!=0)
{
n++;
a=a*n;
}
out<<n;
return 0;
}