HDU 1124 Factorial 水题

#include<cstdio>
#include<cstring>
int main()
{
int cas, n;
scanf("%d", &cas);
while(cas--)
{
scanf("%d", &n);
int s = 5, ans = 0;
while(s <= n)
ans += n/s, s *= 5;
printf("%d\n", ans);
}
return 0;
}