杨领well

LeetCode

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全部文章 / LeetCode （共151篇）

LeetCode: 151. Reverse Words in a String

LeetCode: 151. Reverse Words in a String 题目描述 Given an input string, reverse the string word by word. Example: Input: "the sky is blue"...

2018-07-18

0 586

LeetCode: 149. Max Points on a Line

LeetCode: 149. Max Points on a Line 题目描述 Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. Exampl...

2018-07-16

0 549

LeetCode: 869. Reordered Power of 2

LeetCode: 869. Reordered Power of 2 题目描述 Starting with a positive integer N, we reorder the digits in any order (including the original order) such ...

2018-07-15

0 515

LeetCode: Weekly Contest 93

LeetCode: Weekly Contest 93 题解列表 1. LeetCode: 868. Binary Gap 题解这是签到题，直接计算转换为二进制数后的相邻 1 的距离，记录距离最远的 1 的距离。 2. LeetCode: 869. Reordered Power...

2018-07-15

0 478

LeetCode: 148. Sort List

LeetCode: 148. Sort List 题目描述 Sort a linked list in O(n log n) time using constant space complexity. Example 1: Input: 4->2->1->3 Output:...

2018-07-14

0 403

LeetCode: 147. Insertion Sort List

LeetCode: 147. Insertion Sort List 题目描述 Sort a linked list using insertion sort. A graphical example of insertion sort. The partial sorted list (...

2018-07-13

0 493

LeetCode： 146. LRU Cache

LeetCode： 146. LRU Cache 题目描述 Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:...

2018-07-12

0 505

LeeCode: 3. Longest Substring Without Repeating Characters

LeeCode: 3. Longest Substring Without Repeating Characters 题目描述 Given a string, find the length of the longest substring without repeating character...

2018-07-11

0 414

LeetCode: 145. Binary Tree Postorder Traversal

LeetCode: 145. Binary Tree Postorder Traversal 题目描述 Given a binary tree, return the postorder traversal of its nodes’ values. Example: Input: [1,n...

2018-07-11

0 368

LeeCode:144. Binary Tree Preorder Traversal

LeeCode:144. Binary Tree Preorder Traversal 题目描述 Given a binary tree, return the preorder traversal of its nodes’ values. Example: Input: [1,null,...

2018-07-10

0 427