假设Q[0..10]是一个循环队列,初始状态为front=rear=0,画出做完下列操作后队列的头尾指针的状态变化情况,若不能入队,请指出其元素,并说明理由。 d,e,b,g,h入队;d,e出队;i,j,k,l,m入队;n,o,p入队
时间: 2024-05-21 08:16:36 浏览: 18
初始状态:front=rear=0
d入队后的状态:front=0, rear=1
e入队后的状态:front=0, rear=2
b入队后的状态:front=0, rear=3
g入队后的状态:front=0, rear=4
h入队后的状态:front=0, rear=5
d出队后的状态:front=1, rear=5
e出队后的状态:front=2, rear=5
i入队后的状态:front=2, rear=6
j入队后的状态:front=2, rear=7
k入队后的状态:front=2, rear=8
l入队后的状态:front=2, rear=9
m入队后的状态:front=2, rear=10
n入队后的状态:front=3, rear=10
o入队后的状态:front=4, rear=10
p入队后的状态:front=5, rear=10
无法入队元素:q,因为队列已满,即front=6,rear=10。
相关问题
假设Q[0..6]是一个循环队列,初始状态为front=rear=0,画出做完下列操作后队列的头尾指针的状态变化情况,若不能入队,请指出其元素,并说明理由。 d,e入队;d出队;i,j,k,m入队;n,o,p入队
循环队列的基本操作包括入队和出队,循环队列相比于普通队列的特点是可以循环利用空间,避免空间浪费。假设Q[0..6]是一个循环队列,初始状态为front=rear=0,接下来进行一系列操作,分别为d,e入队,d出队,i,j,k,m入队,n,o,p入队。根据这些操作,队列的状态变化如下所示:
1. d入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| d | | | | | | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
2. e入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| d | e | | | | | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
3. d出队后,队列状态为:
```
+---+---+---+---+---+---+---+
| | e | | | | | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
4. i入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| | e | i | | | | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
5. j入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| | e | i | j | | | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
6. k入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| | e | i | j | k | | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
7. m入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| | e | i | j | k | m | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
8. n入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| n | e | i | j | k | m | |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
9. o入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| n | e | i | j | k | m | o |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
10. p入队后,队列状态为:
```
+---+---+---+---+---+---+---+
| n | e | i | j | k | m | o |
+---+---+---+---+---+---+---+
↑ ↑
front rear
```
此时队列已经满了,再入队无法成功。
假设Q10.6]是一个循环队列,初始状态为front =rear-0,画出做完下列操作后队列的头尾指 针的状态变化情况,若不能入队,请指出其元素,并说明理由。 d.e入队;d出队;ijk,m入队;1.0.p入队
操作前,队列状态为:
```
front = rear = 0
```
a. 元素d入队后,队列状态变为:
```
front = 0, rear = 1
+---+---+---+---+---+---+---+---+---+---+
| d | | | | | | | | | |
+---+---+---+---+---+---+---+---+---+---+
```
b. 执行出队操作d,队列状态变为:
```
front = 1, rear = 1
+---+---+---+---+---+---+---+---+---+---+
| | | | | | | | | | |
+---+---+---+---+---+---+---+---+---+---+
```
c. 元素ijk,m入队后,队列状态变为:
```
front = 1, rear = 3
+---+---+---+---+---+---+---+---+---+---+
| | i | j | k | m | | | | | |
+---+---+---+---+---+---+---+---+---+---+
```
d. 元素1,0,p入队后,队列状态变为:
```
front = 1, rear = 6
+---+---+---+---+---+---+---+---+---+---+
| | i | j | k | m | 1 | 0 | p | | |
+---+---+---+---+---+---+---+---+---+---+
```
注意:队列长度为10,已经存满,再次入队元素时会发生队列溢出。
相关推荐
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![](https://img-home.csdnimg.cn/images/20210720083646.png)
![doc](https://img-home.csdnimg.cn/images/20210720083327.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)