This commit is contained in:
krahets
2024-03-18 03:11:07 +08:00
parent bc0054a577
commit 54c7448946
48 changed files with 577 additions and 408 deletions
@@ -512,7 +512,7 @@ By comparison, inserting an element into an array has a time complexity of $O(n)
/* 在链表的节点 n0 之后插入节点 P */
#[allow(non_snake_case)]
pub fn insert<T>(n0: &Rc<RefCell<ListNode<T>>>, P: Rc<RefCell<ListNode<T>>>) {
let n1 = n0.borrow_mut().next.take();
let n1 = n0.borrow_mut().next.take();
P.borrow_mut().next = n1;
n0.borrow_mut().next = Some(P);
}
@@ -690,7 +690,9 @@ It's important to note that even though node `P` continues to point to `n1` afte
/* 删除链表的节点 n0 之后的首个节点 */
#[allow(non_snake_case)]
pub fn remove<T>(n0: &Rc<RefCell<ListNode<T>>>) {
if n0.borrow().next.is_none() {return};
if n0.borrow().next.is_none() {
return;
};
// n0 -> P -> n1
let P = n0.borrow_mut().next.take();
if let Some(node) = P {
@@ -872,10 +874,13 @@ It's important to note that even though node `P` continues to point to `n1` afte
```rust title="linked_list.rs"
/* 访问链表中索引为 index 的节点 */
pub fn access<T>(head: Rc<RefCell<ListNode<T>>>, index: i32) -> Rc<RefCell<ListNode<T>>> {
if index <= 0 {return head};
if let Some(node) = &head.borrow_mut().next {
if index <= 0 {
return head;
};
if let Some(node) = &head.borrow().next {
return access(node.clone(), index - 1);
}
return head;
}
```
@@ -1071,7 +1076,9 @@ Traverse the linked list to locate a node whose value matches `target`, and then
```rust title="linked_list.rs"
/* 在链表中查找值为 target 的首个节点 */
pub fn find<T: PartialEq>(head: Rc<RefCell<ListNode<T>>>, target: T, index: i32) -> i32 {
if head.borrow().val == target {return index};
if head.borrow().val == target {
return index;
};
if let Some(node) = &head.borrow_mut().next {
return find(node.clone(), target, index + 1);
}