题目内容
(请给出正确答案)
[单选题]
程序段如下:s=i=0;do{i=i+1;s=s+i;} while(i=n);其时间复杂度为()。
A.O(n)
B.O(nlog2n)
C.O(n2)
D.O(n3/2)
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A.O(n)
B.O(nlog2n)
C.O(n2)
D.O(n3/2)
Private Sub Command1_Click()
Dim a As Integer, s As Integer
a = 8
s = 1
Do
s = s + a
a = a-1
Loop While a <= 0
Print s; a
End Sub
程序运行后,单击命令按钮,则窗体上显示的内容是()。
A.7 9
B.34 0
C.9 7
D.死循环
A.3
B.4
C.5
D.6
A.v0=8,v1=4,v2=8
B.v0=7,v1=4,v2=7
C.v0=12,vl=4,v2=12
D.v0=11,v1=4,v2=11
B、No,it’s alright. I can manage myself.
C、Never mind.
D、It’s my pleasure.
A.So do I.
B.Sorry, it doesn’t matter.
C.Yes. It’s a good idea.
D.I don’t mind.
B.That's all right
C.It's a pleasure
D.Thank you
B.It's very kind of you to say so.
C.Oh, I do apologize.
D.Be careful.