Cod sursa(job #715961)

Utilizator paulbotabota paul paulbota Data 17 martie 2012 23:52:18
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.36 kb
Raporteaza aceasta sursa 
#include<fstream>
#define MAXN 100000000

using namespace std;

ifstream in("factorial.in");
ofstream out("factorial.out");

int v[MAXN];

int main()
{
	int n,nr=0;
	in>>n;
	if(n==0)
	{
		out<<"1";
		return 0;
	}
	for(int i=5;nr<n;i+=5)
	{
		v[i]=v[i/5]+1;
		nr=nr+v[i];
			if(nr==n)
			{
				out<<i;
				return 0;
			}			
	}
	return 0;
}