第1个回答 2009-09-11
#include <stdio.h>
void main()
{
int i =1;
int s = 1;
int N;
printf("please input N:");
scanf("%d", &N);
for(i = 1; i < =N; i++) s *=i;
printf("%d", s);
}
Private Sub command1_click()
Dim n As Integer, s As Integer, i As Integer, m As Integer
n = InputBox("请输入N的值:")
For i = 1 To n
If i Mod 5 = 0 Then
m = i
Do While m Mod 5 = 0
s = s + 1
m = m / 5
Loop
End If
Next i
Print s
End Sub