题库 第6242页
单选题:非空的循环单链表head的尾结点(由p所指向)满足( )。
非空的循环单链表head的尾结点(由p所指向)满足( )。@[C](2)A. p-˃next == NULLB. p == NULLC. p-˃next ==headD. p == headA.p-˃next == NULLB.p ==…
单选题:不带头结点的单链表head为空的判定条件是( )。
不带头结点的单链表head为空的判定条件是( )。@[A](2)A. head == NULLB. head-˃next ==NULLC. head-˃next ==headD. head!=NULA.head == NULLB.hea…
单选题:链表**不**具备的特点是( )。
链表**不**具备的特点是( )。@[A](2)A. 可随机访问任一结点替换为错误项B. 插入删除不需要移动元素C. 不必事先估计存储空间D. 所需空间与其长度成正比A.可随机访问任一结点替换为错误项B.插入删除不需要移动元素C…
单选题:Consider the following statements.S1. Kruskal’s algorithm might
Consider the following statements.S1. Kruskal’s algorithm might produce a non-minimal spanning tree.S2. Kruskal’s algori…
单选题:Which of the following is true?
Which of the following is true?@[A](2)A. Prim's algorithm initialises with a vertexB. Prim's algorithm initialises with…
单选题:Worst case is the worst case time complexity of Prim’s algorithm
Worst case is the worst case time complexity of Prim’s algorithm if adjacency matrix is used?@[B](2)A. O(log V)B. O(V^2)…
单选题:Consider the following graph. Using Kruskal’s algorithm, which e
Consider the following graph. Using Kruskal’s algorithm, which edge will be selected first?{ System.out…
单选题:5. 在SQL Server 2008中,已知Student表中有一个age列,数据类型是int,如果要限制该列的取值范围在18
5. 在SQL Server 2008中,已知Student表中有一个age列,数据类型是int,如果要限制该列的取值范围在18到28之间,可以使用以下哪个SQL语句( )。@[C](2)A. alter table Studen…
单选题:1. 下列哪个SQL 语句属于DDL 语句( )。
1. 下列哪个SQL 语句属于DDL 语句( )。@[C](2)A. Select ( insert update delete select)B. Grant (grant rovoke )C. Create (create…