https://leetcode.com/problems/swap-nodes-in-pairs/ https://leetcode.com/problems/reverse-nodes-in-k-group/ https://leetcode.com/problems/rotate-list/ https://leetcode.com/problems/reverse-linked-list-ii/ https://leetcode.com/problems/reverse-linked-list/ https://leetcode.com/problems/odd...
Solve LeetCode problems in VS Code English Document |中文文档 ❗️ Attention ❗️- Workaround to login to LeetCode endpoint Note: If you are usingleetcode.cn, you can just ignore this section. Recently we observed thatthe extension cannot login to leetcode.com endpoint anymore. The ro...
https://leetcode.com/problems/integer-to-roman/ Problem description: Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. Source code: https://github.com/scottszb1987/LeetCodeInCSharp/blob/master/LeetCodeInCSharp/12_IntegerToRoman.cs...
给你单链表的头节点head,请你反转链表,并返回反转后的链表。 示例1: 输入:head = [1,2,3,4,5]输出:[5,4,3,2,1] 示例2: 输入:head = [1,2]输出:[2,1] 示例3: 输入:head = []输出:[] 提示: 链表中节点的数目范围是[0, 5000] ...
给你一个整数x,如果x是一个回文整数,返回true;否则,返回false。 回文数 是指正序(从左向右)和倒序(从右向左)读都是一样的整数。 例如,121是回文,而123不是。 示例1: 输入:x = 121输出:true 示例2: 输入:x = -121输出:false解释:从左向右读, 为 -121 。 从右向左读, 为 121- 。因此它不是一...
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only hexdigits are allowed: 0-9, a-f, A-F if len(x) == 0 or len(x) > 4 or not all(c in hexdigits for c in x): return "Neither" return "IPv6" def validIPAddress(self, IP: str) -> str: if IP.count('.') == 3: return self.validate_IPv4(IP) elif IP.count(':'...
题目地址:https://leetcode.com/problems/print-in-order/题目描述Suppose we have a class:public class Foo { public void first() { print("first"); } public void second() { print("second"); } public void third() { print("third"); } } ...
英文版题目描述:https://leetcode.com/problems/check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence/ 思路:签到题,模拟 代码如下: classSolution {public:intisPrefixOfWord(stringsentence,stringsearchWord) {intlen =sentence.length();if(sentence[len-1] !='') { ...
2. 解题思路 题目的大致意思是：在一条线上放着多个机器人，这些机器人可以沿着线移动，速度一样，...