Cod sursa(job #1028243)
Utilizator | Corujan Darius corujandarius | Data | 13 noiembrie 2013 20:08:25 |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.61 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
long long unsigned p,d=0,c=0,i,i2,i5;
ifstream fin("fact.in");
ofstream fout("fact.out");
fin>>p;
for(i=1;;i++)
{
i2=i;
while(i2%2==0)
{
d++;
i2=i2/2;
}
while(i2%5==0)
{
c++;
i2=i2/5;
}
if(d==p && d<=c)
{
fout<<i;
break;
}else if(c==p && c<=d)
{
fout<<i;
break;
}
}
fin.close();
fout.close();
return 0;
}