mirror of
https://github.com/youngyangyang04/leetcode-master.git
synced 2025-07-11 21:10:58 +08:00
update 0024.两两交换链表中的节点 about rust
This commit is contained in:
@ -380,5 +380,30 @@ function swapPairs($head)
|
||||
}
|
||||
```
|
||||
|
||||
Rust:
|
||||
|
||||
```rust
|
||||
// 虚拟头节点
|
||||
impl Solution {
|
||||
pub fn swap_pairs(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
|
||||
let mut dummy_head = Box::new(ListNode::new(0));
|
||||
dummy_head.next = head;
|
||||
let mut cur = dummy_head.as_mut();
|
||||
while let Some(mut node) = cur.next.take() {
|
||||
if let Some(mut next) = node.next.take() {
|
||||
node.next = next.next.take();
|
||||
next.next = Some(node);
|
||||
cur.next = Some(next);
|
||||
cur = cur.next.as_mut().unwrap().next.as_mut().unwrap();
|
||||
} else {
|
||||
cur.next = Some(node);
|
||||
cur = cur.next.as_mut().unwrap();
|
||||
}
|
||||
}
|
||||
dummy_head.next
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
-----------------------
|
||||
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
|
||||
|
Reference in New Issue
Block a user