[LeetCode] NO. 141 Linked List Cycle [题目] Given a linked list, determine if it has a cycle in it. [题目解析] 判断一个单链表中是否含有环,这是一个非常常见的面试题目。思路也非常简单,可以定义两个指针,一个快,一个慢,最后慢的追上快的,指向同一个节点,说明有环。 1 2 3 4 5 6 7 8 ...
Problem describe:https://leetcode.com/problems/linked-list-cycle/ Given a linked list, determineifit has a cycleinit. To represent a cycleinthe given linked list, we use an integer pos which represents the position (0-indexed)inthe linked listwheretail connects to. If posis-1, then thereis...
// Solution 1: An interesting problem. As the elements are all integers, if not encountering 0, the absolute value of the product will continue to increase. Thus the product is either min or max. By keeping watch over both ends, we have the maximum product of subarrays. This holds only...
365 Water and Jug Problem Algorithms Medium 363 Max Sum of Rectangle No Larger Than K Algorithms Medium 357 Count Numbers with Unique Digits Algorithms Medium 355 Design Twitter design-twitter Algorithms Hard 354 Russian Doll Envelopes Algorithms Hard 352 Data Stream as Disjoint Intervals Algorithms Ha...
在leetcode-cn.com/problem 页面的右侧。先刷热题 HOT 100,再刷精选 TOP 面试题,之后刷其他的题。 如果你时间比较充裕,那我建议你: 按从低到高的难度分组刷 按tag 分类刷 定期复习,重做之前刷过的题 掌握LeetCode 刷题方法再开始刷题,属于磨刀不误砍柴工。掌握正确方法是非常重要的。 如果你在刷题的时候...
Divide: Split the problem into several smaller subproblems that are similar to the original problem. Conquer: Solve each of the subproblems recursively. If the subproblem sizes are small enough, solve the subproblem as a base case. Combine: Merge the results of the subproblems into the final sol...
(,, ): HDU 1542 Atlantis update: query: HDU 1828 Picture update: query: Title Solution Difficulty Time Space O(n log 218. The Skyline Problem Go Hard O(n) n) 307. Range Sum Query - Go Hard O(1) O(n) Mutable 315. Count of Smaller O(n log Go Hard O(n) Numbers After Self ...
website:https://leetcode.com/problemset/all/ username/password: yanyan314/ 314@leetcode leetcode刷题总结博客:https://blog.csdn.net/nettee?type=blog&year=2020&month=03answers:https://www.jiuzhang.cn/solution/intersection-of-two-arrays-ii/ ...
51.N-Queens Hard The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-queens puzzle. Each solution contains a distinct board configuration of the n-queens ...
218 The Skyline Problem C++ Hard 217 Contains Duplicate C++ Easy 216 Combination Sum III C++ Medium 215 Kth Largest Element in an Array C++ Medium 214 Shortest Palindrome C++ Hard 213 House Robber II C++ Medium 212 Word Search II C++ Hard 211 Add and Search Word - Data structure design C++...