Cod sursa(job #250445)

Utilizator shnakoVlad Schnakovszki shnako Data 30 ianuarie 2009 22:37:00
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.36 kb
Raporteaza aceasta sursa 
#include <stdio.h>
long p, t;
int main(void)
{
freopen("fact.in", "r", stdin);
freopen("fact.out", "w", stdout);
scanf("%ld", &p);
if (p==0)
	printf("1");
else
{
t=p-(p/5)-(p/25)-(p/125)-(p/625)-(p/3125)-(p/15625)-(p/78125)-(p/390625)-(p/1953125)-(p/9765625)-(p/48828125)-(p/244140625)-(p/1220703125);
printf("%ld", t*5);
}
fcloseall();
return 0;
}