Cod sursa(job #144045)

Utilizator andrei-alphaAndrei-Bogdan Antonescu andrei-alpha Data 27 februarie 2008 09:30:17
Problema Factorial Scor 25
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<stdio.h>
#define N 10000000
int main()
{int i,j,p,nr=0;
freopen("fact.in", "r",stdin);
freopen("fact.out", "w",stdout);
scanf("%d", &p);

	for(i=1;i<=N;++i) 
	   {if(i%5==0) {j=i; while(j%5==0) {j=j/5; ++nr;}} 	
			if(nr==p) break; if(nr>p) {i=-1; break;}
	
	   }
	printf("%d", i);
return 0;
}