Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

Commit b1ebb0b

Browse files
update: 143
1 parent 98f419f commit b1ebb0b

File tree

2 files changed

+36
-0
lines changed

2 files changed

+36
-0
lines changed

‎README.md

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -90,6 +90,7 @@ This is the solutions collection of my LeetCode submissions, most of them are pr
9090
| 136 | [Single Number](https://leetcode.com/problems/single-number/) | [JavaScript](./src/single-number/res.js) | Easy |
9191
| 137 | [Single Number II](https://leetcode.com/problems/single-number-ii/) | [JavaScript](./src/single-number-ii/res.js) | Medium |
9292
| 139 | [word-break](https://leetcode.com/problems/word-break/) | [TypeScript](./src/word-break/res.ts) | Medium |
93+
| 143 | [reorder-list](https://leetcode.com/problems/reorder-list/) | [TypeScript](./src/reorder-list/res.ts) | Medium |
9394
| 148 | [sort-list](https://leetcode.com/problems/sort-list/) | [TypeScript](./src/sort-list/res.ts) | Medium |
9495
| 151 | [Reverse Words in a String](https://leetcode.com/problems/reverse-words-in-a-string/) | [JavaScript](./src/reverse-words-in-a-string/res.js) | Medium |
9596
| 152 | [Maximum Product Subarray](https://leetcode.com/problems/maximum-product-subarray/) | [JavaScript](./src/maximum-product-subarray/res.js) | Medium |

‎src/reorder-list/res.ts

Lines changed: 35 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,35 @@
1+
/**
2+
* Definition for singly-linked list.
3+
* class ListNode {
4+
* val: number
5+
* next: ListNode | null
6+
* constructor(val?: number, next?: ListNode | null) {
7+
* this.val = (val===undefined ? 0 : val)
8+
* this.next = (next===undefined ? null : next)
9+
* }
10+
* }
11+
*/
12+
13+
/**
14+
Do not return anything, modify head in-place instead.
15+
*/
16+
function reorderList(head: ListNode | null): void {
17+
if (!head?.next?.next) {
18+
return ;
19+
}
20+
21+
let prevTailNode = head;
22+
let tailNode = head;
23+
while (tailNode.next) {
24+
prevTailNode = tailNode;
25+
tailNode = tailNode.next;
26+
}
27+
28+
const restNodes = head.next;
29+
prevTailNode.next = null;
30+
head.next = tailNode;
31+
tailNode.next = restNodes;
32+
reorderList(restNodes);
33+
34+
return ;
35+
};

0 commit comments

Comments
(0)

AltStyle によって変換されたページ (->オリジナル) /