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2019-11-02 14:39:13 +08:00
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docs/notes/6. 从尾到头打印链表.md
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@ -6,7 +6,7 @@
从尾到头反过来打印出每个结点的值。
<img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/f5792051-d9b2-4ca4-a234-a4a2de3d5a57.png" width="280px">
<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/f5792051-d9b2-4ca4-a234-a4a2de3d5a57.png" width="280px"> </div><br>
## 解题思路
@ -34,7 +34,7 @@ public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {
- 头结点是在头插法中使用的一个额外节点，这个节点不存储值；
- 第一个节点就是链表的第一个真正存储值的节点。
<img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/0dae7e93-cfd1-4bd3-97e8-325b032b716f.gif" width="370px">
<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/0dae7e93-cfd1-4bd3-97e8-325b032b716f.gif" width="370px"> </div><br>
```java
public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {
@ -61,7 +61,7 @@ public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {
栈具有后进先出的特点，在遍历链表时将值按顺序放入栈中，最后出栈的顺序即为逆序。
<img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/9d1deeba-4ae1-41dc-98f4-47d85b9831bc.gif" width="300px">
<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/9d1deeba-4ae1-41dc-98f4-47d85b9831bc.gif" width="300px"> </div><br>
```java
public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {
@ -76,3 +76,10 @@ public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {
return ret;
}
```
<div align="center"><img width="320px" src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/githubio/公众号二维码-1.png"></img></div>