Question

VB里编一组阶层函数f(n),主调程序求组合数的程序

,分别调用f(n),用来计算组合数的值，组合数公式：c=n!/(m!(n-m)!)

Answer 1

Function f(n As Integer)
f = 1
For i = 1 To n
f = f * i
Next i
End Function