第一种算法:先从5本书中任选3本,然后对3本书进行全排列:C53*P33=60种
第二种算法:A同学可以5选一,B同学就只能4选一,C同学只能3选一,所以结果是5*4*3=60种
所以选第二种算法:
Sub Command1_Click()
Dim i As Long, m As Long, n As Long
For i = 1 To 5
For m = 1 To 5
If m = i Then GoTo mNext
For n = 1 To 5
If n = i Or n = m Then GoTo nNext
Print i & m & n
nNext:
Next n
mNext:
Next m, i
End Sub