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更改 0024.两两交换链表中的节点.md C语言格式

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Guanzhong Pan
2022-01-02 18:33:21 +00:00
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problems/0024.两两交换链表中的节点.md
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@ -107,7 +107,9 @@ struct ListNode* swapPairs(struct ListNode* head){
newHead->next = head; newHead->next = head;
return newHead; return newHead;
} }
```
```c
//迭代版本 //迭代版本
struct ListNode* swapPairs(struct ListNode* head){ struct ListNode* swapPairs(struct ListNode* head){
//使用双指针避免使用中间变量 //使用双指针避免使用中间变量