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阅读下列程序说明和程序，填充程序中的__________。【程序说明】本程序完成将二叉树中左、右孩子交换的操作。交换的结果如下所示(编者略)。本程序采用非递归的方法，设立一个堆栈stack存放还没有转换过的结点，它的栈顶指针为tp。交换左、右子树的算法为： (1)把根结点放入堆栈。 (2)当堆栈不空时，取出栈顶元素，交换它的左、右子树，并把它的左、右子树分别入栈。 (3)重复(2)直到堆栈为空时为止。 typedef struct node *tree； struct node(int
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【多选题】Which of the following are coffee names?
A.
Cappuccino
B.
Expresso
C.
Latte
D.
Latino
【多选题】Which of the following countries are famous for their magnificent coffee beans output?
A.
Brazil
B.
Uganda
C.
Vietnam
D.
China
【简答题】Ted speech: about coffee cup lid 1. What is a coffee cup lid? 2. What are the good part and bad part of the mobile modern society? 3. In which year was the first patent for coffee cup lid? What is the...
【单选题】Listen to find that which topics are mentioned in the talk. 1. The names of countries where farmers grow coffee 2. Some information about the origin of coffee 3. The color of the coffee cups in most c...
A.
1246
B.
2345
C.
1345
D.
2456
【简答题】Read the following dishes and judge which are Chinese Food and which are western food. A: Braised Pork B: French Steak C: Seaseed Soup D: Ice Cream E: Chicken and Bamboo Shoots F: Sweet and Sour Whole...
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