今日leetcode链表题全制霸 原题地址: https://oj.leetcode.com/problems/sort-list/ 题目内容: Sort List Sort a linked list in O(n log n) time using constant space complexity. 方法: 题目要求是链表排序,同时时间复杂度要求O(n log n),空间复杂度要求常数空间.这意味着你不可以把链表拷贝到数组中,用一个map保留值和指针的对应关系,最后在构造一个链表. 我们需…
[LeetCode]147. Insertion Sort List 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/insertion-sort-list/description/ 题目描述: Sort a linked list using insertion sort. A graphical…
Sort ColorsGiven an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, wh…
原题地址: https://oj.leetcode.com/problems/largest-number/ 题目内容: Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. Note: The result may…
题目地址: https://oj.leetcode.com/problems/min-stack/ 题目内容: Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the stack. top() --…
原题地址: https://oj.leetcode.com/problems/dungeon-game/ 题目内容: The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid out in a 2D grid. Our valiant knight (K) was init…
题目地址: https://oj.leetcode.com/problems/majority-element/ 题目内容: Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. You may assume that the array is non-empty and the majority…
原题地址: https://oj.leetcode.com/problems/partition-list/ 题目内容: Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the original relative order of the nodes in…
题目地址: https://oj.leetcode.com/problems/interleaving-string/ 题目内容: Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. For example,Given:s1 = "aabcc",s2 = "dbbca", When s3 = "aadbbcbcac", return true.…
leetcode 148. Sort List 提交网址: https://leetcode.com/problems/sort-list/  Total Accepted: 68702 Total Submissions: 278100 Difficulty: Medium  ACrate: 24.7% Sort a linked list in O(n log n) time using constant space complexity. 由于需要使用常量空间,即S(n)=O(1),故需要…