* ListNode(int x, ListNode *next) : val(x), next(next) {} * }; */ classSolution{ public: ListNode*reverseList(ListNode*head) { } }; 已存储 行1,列 1 运行和提交代码需要登录 Case 1Case 2Case 3 head = [1,2,3,4,5] 9 1 2 3 › [1,2,3,4,5] [1,2] [] Source...
141. Linked List Cycle(Easy)2019.7.10 题目地址https://leetcode.com/problems/linked-list-cycle/ Copy Given a linked list, determineifit has a cycleinit.Torepresent a cycleinthe given linked list, we use anintegerpos which represents the position (0-indexed)inthe linked listwheretail connectst...
206. Reverse Linked List(Easy) 题目地址https://leetcode.com/problems/reverse-linked-list/ Copy Reverse a singly linked list. Example: Input:1->2->3->4->5->NULL Output:5->4->3->2->1->NULL Follow up: A linked list can be reversed either iteratively or recursively. Could you implem...
1);Arrays.sort(arr);int count=0;for(int i:arr){count=binaryHaveOneNum(i);if(map.get(count)==null){map.put(count,newArrayList<>());}map.get(count).add(i);}int end=-1;for(int i=0;i<=14;i++){ArrayList<Integer>itemList=map.get(i);if(null==itemList)continue;for(...
来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/maximum-sum-of-3-non-overlapping-subarrays 给你一个整数数组 nums 和一个整数 k ,找出三个长度为 k 、互不重叠、且 3 * k 项的和最大的子数组,并返回这三个子数组。 以下标的数组形式返回结果,数组中的每一项分别指示每个子数组的起始位置...
(A link to the complete list of problems, solutions, and all dialogues can be found at the end of the post) ChatGPT-4 solved all easy problems and nearly half of the hard problems it likely had access to, given they were published before its cut-off date. However, the model only sol...
// Solution 1: Easy. 代码1 //Code 1 402 Remove K Digits // #402 移除K个数字 描述:给定一个数字串,从中删除K个数字,使得剩下的数最小。 //#402Description: Remove K Digits | LeetCode OJ 解法1:你可以一位一位地删,但这么干时间复杂度就是O(N^2)。你也可以一位位不停地删,区别在哪儿?就...
929 Unique Email Addresses C++ Easy 922 Sort Array By Parity II C++ Easy 914 X of a Kind in a Deck of Cards Python Easy 905 Sort Array By Parity C++ Easy 876 Middle of the Linked List Python Easy 859 Buddy Strings C++ Easy 858 Mirror Reflection C++ Medium 852 Peak Index in a Mountai...
383 Ransom Note C++ Easy 382 Linked List Random Node C++ Medium 381 Insert Delete GetRandom O(1) - Duplicates allowed C++ Hard 380 Insert Delete GetRandom O(1) C++ Hard 377 Combination Sum IV C++ Medium 376 Wiggle Subsequence C++ Medium 371 Sum of Two Integers C++ Easy 367 Valid Perfect...
LeetCode Top 100 Liked Questions 141. Linked List Cycle (Java版; Easy) 题目描述 Given a linked list, determine if it has a cycle in it. To represent a cycle in the given linked list, we use an integer pos which represents the position (0-indexed) ...