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【简答题】
以下程序段的功能是统计链表中结点的个数,其中 first 为指向第一个结点的指 针(链表不带头结点)。请填空。 struct link {char data; struct link *next; }; ...... struct link * p, * first; int c=0; p=first; while ( ) { ; p= ; }
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参考解析：
刷刷题刷刷变学霸
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【单选题】党的十九届四中全会通过的《决定》指出，制度的生命力在于()。各级党委和政府以及各级领导干部要切实强化制度意识，带头维护制度权威，做制度执行的表率，带动全党全社会自觉尊崇制度、严格执行制度、坚决维护制度。
A.
执行
B.
创新
C.
管理
D.
监督
【单选题】有如下事件过程：Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是，通过调用Converse过程，将数组Arr中的元素逆序存放并输出...
A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
【单选题】已知程序段： s＝O For i＝O to 10 step 2 S＝S＋l i＝i*2 Next i 当循环结束后，变量i、s值分别为( )。
A.
22，3
B.
11，4
C.
10，5
D.
16， 6
【单选题】带头结点的单链表head为空的条件是( )
A.
head=null
B.
head->next=null
C.
head->next=head
D.
head!=null