Cod sursa(job #644065)

Utilizator mihai.plesaPlesa Mihail Iulian mihai.plesa Data 5 decembrie 2011 08:51:51
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<cstdio>
using namespace std;
int main()
{FILE*f=fopen("fact.in","r");
FILE*g=fopen("fact.out","w");
int n,p,s=0,p1,ok=0;
fscanf(f,"%d",&p);
n=1;
while(s!=p){
	s=0;
	p1=5;
	while(n/p1!=0){
		s=s+(n/p1);
		p1=p1*5;
	}
	n++;
	ok=1;
}
if(ok==1)
	fprintf(g,"%d",n-1);
if(ok==0)
	fprintf(g,"%d",n);
}