更多“有如下VB 程序段:k-1 : s=0DoWhilek<=3S=S + kK=k + 1Loop该程序段执行后,变量k和s的值分别是()”相关的问题
第1题
有如下VB 程序段:s = 1For i = 2 To 10 Step 3 s = s + iNext i则该程序段执行后,变量s 和i 的值分别是()
A.16, 11
B.15, 13
C.55, 11
D.25, 13
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第2题
有如下VB程序段:For i = 1 To 9 Step 2 b(a(i) Mod 10) = b(a(i) Mod 10) + 1Next is = 0For i = 0 To 9 Step 3 s =s + b(i)Next i数组b各元素初始值为0, 数组元素a(1)到a(9)的值依次为“29,74,12,38,16,45,21,57,33”,则执行该程序段后,s的值为()
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第3题
有如下VB程序段:Dim c As String, a As Booleana = FalseIf Not a Then c = Chr(Asc("A") + 2) Else c = Chr(Asc("A") + 3)该程序段执行后,变量c的值为()
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第4题
有如下VB程序段Dim x As Integer, y As Integerx = 2: y = 4If x = y Then x = x + 2 Else y = y + 2该程序段运行后x,y的值为()
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第5题
有VB程序段如下:RandomizeFor i = 1 To 6 a(i) = Int(Rnd * 20) + 1 If a(i) Mod 2 = i Mod 2 Then a(i) = a(i) - 1 Else a(i) = a(i) + 2 End IfNext i执行该程序段后,a(1)~a(6)各元素可能的是()
A.13,2,7,12,5,18
B.22,7,0,15,4,19
C.20,9,18,23,4,7
D.6,0,4,21,18,17
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第6题
有如下VB程序段:For i = 1 To 100 j = 1∶a(j) = a(j) + 1 Do While a(j) = 6a(j) = 0j = j + 1a(j) = a(j) + 1 LoopNext i数组a中各个元素值均为0,该程序段执行后数组a中各元素之和为()
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第7题
设有如下程序段,则下面描述中正确的是()。intk=10;while(k=0)k=k-1;
A.while循环执行10次
B.循环是无限循环
C.循环体语句执行0次
D.循环体执行1次
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第8题
有如下VB程序段:c = 0 :i = 1Do While i <=6 k = i For j = i + 1 To 7 If a(j)<= a(k) Then k = j Next j If a(i) <> a(k) Then t = a(i): a(i) = a(k): a(k) = t c = c + 1 End If i = i + 1Loop数组元素a(1)到a(7)的值依次为“9,9,8,16,45,9,78”。该程序段执行后,变量c的值是()
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第9题
有如下VB程序段:a(1) = 1For i = 2 To 6 Randomize a(i) = a(i - 1) + Int(Rnd * 5 + 1) If a(i) Mod 2 = 1 Then a(i) = a(i) \ 2 + 1 Else a(i) = a(i) / 2 End IfNext i执行程序后,a数组各元素可能是()
A.1 3 4 6 7 9
B.1 2 0 3 5 6
C.1 2 3 4 5 4
D.1 3 4 5 1 1
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第10题
有如下VB程序段:a(1) = 1: a(2) = 2: a(3) = 4: a(4) = 5: a(5) = 6: a(6) = 7: a(7) = 8i = 1: j = 7Do While i < j m = (i + j) \ 2 If a(m) > m Then j = m Else i = m + 1 End IfLoopLabel1.Caption = Str(i)该代码运行后,标签对象Label1中输出的值为()
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第11题
有如下VB程序段:L = 0: R = 7: i = 1Do While i < R If a(i) = 0 Then L = L + 1 t = a(i): a(i) = a(L): a(L) = t i = i + 1 ElseIf a(i) = 2 Then R = R - 1 t = a(i): a(i) = a(R): a(R) = t Else i = i + 1 End IfLoop数组元素 a(1)到 a(6)的值依次为“2,0,2,1,1,0”。执行该程序段后,下列说法不正确的是()
A.变量 L 的值为 2
B.变量 R 的值为 5
C.变量 i 的值为 4
D.数组元素值依次为0,0,1,1,2,2
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