Cod sursa(job #417966)

Utilizator SadmannCornigeanu Calin Sadmann Data 15 martie 2010 11:21:52
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<stdio.h>
#include<math.h>
FILE *in,*out;
int nr2,nr5,p;
long long num=1,aux;
int main()
{
	in=fopen("fact.in","rt");
	out=fopen("fact.out","wt");
	fscanf(in,"%d",&p);
	for(;;)
	{ 
		num++;
		if(nr5>=p)
				break;
		aux=num;
		while(aux%5==0)
		{
			nr5++;
			aux=aux/5;
		}
	}
	fprintf(out,"%lld",num-1);
	
	

	return 0;
}