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147. Insertion Sort ListMy SubmissionsQuestionTotal Accepted: 66569 Total Submissions: 230248 Difficulty: MediumSort a linked list using insertion sort.Subscribe to see w

题目1 : Shortening Sequence时间限制:10000ms单点时限:1000ms内存限制:256MB描述There is an integer array A1, A2 ...AN. Each round you may choose two adjacent integers. If their sum is an

67. Add Binary QuestionEditorial Solution My SubmissionsTotal Accepted: 92800Total Submissions: 327327Difficulty: EasyGiven two binary strings, return their sum (al

203. Remove Linked List Elements QuestionEditorial Solution My SubmissionsTotal Accepted: 71251Total Submissions: 241722Difficulty: EasyRemove all elements from a l

234. Palindrome Linked List QuestionEditorial Solution My SubmissionsTotal Accepted: 56144Total Submissions: 191356Difficulty: EasyGiven a singly linked list, deter

290. Word Pattern QuestionEditorial Solution My SubmissionsTotal Accepted: 43861Total Submissions: 144885Difficulty: EasyGiven a pattern and a string str, find if

338. Counting Bits   My SubmissionsQuestionEditorial SolutionTotal Accepted: 20178 Total Submissions: 36151 Difficulty: MediumGiven a non negative integer number num. For eve

15. 3Sum   My SubmissionsQuestionEditorial SolutionTotal Accepted: 116381 Total Submissions: 617430 Difficulty: MediumGiven an array S of n integers, are there elements a, 

205. Isomorphic Strings   My SubmissionsQuestionEditorial SolutionTotal Accepted: 56840 Total Submissions: 190761 Difficulty: EasyGiven two strings s and t, determine if they

225. Implement Stack using Queues   My SubmissionsQuestionEditorial SolutionTotal Accepted: 39085 Total Submissions: 127980 Difficulty: EasyImplement the following operations

36. Valid Sudoku   My SubmissionsQuestionEditorial SolutionTotal Accepted: 73627 Total Submissions: 239374 Difficulty: EasyDetermine if a Sudoku is valid, according to: Sudok

102. Binary Tree Level Order Traversal   My SubmissionsQuestionEditorial SolutionTotal Accepted: 102932 Total Submissions: 313048 Difficulty: EasyGiven a binary tree, return

172. Factorial Trailing Zeroes   My SubmissionsQuestionEditorial SolutionTotal Accepted: 58597 Total Submissions: 178269 Difficulty: EasyGiven an integer n, return the number

198. House Robber   My SubmissionsQuestionEditorial SolutionTotal Accepted: 68856 Total Submissions: 199648 Difficulty: EasyYou are a professional robber planning to rob hous

206. Reverse Linked List   My SubmissionsQuestionEditorial SolutionTotal Accepted: 107857 Total Submissions: 271807 Difficulty: EasyReverse a singly linked list.click to sh

题目链接: https://leetcode.com/problems/longest-palindromic-substring/题意:求一个串的最大回文字串class Solution {public: string longestPalindrome(string s) { int *p=new int[2005]; int id;

给出先序和后续，重建二叉树class Solution {public: struct TreeNode* reConstructBinaryTree(vector pre,vector in) { TreeNode* ans=solve(pre,0,(int)pre.size(),in,0,(int)in.size()); return ans;

147. Insertion Sort ListTotal Accepted: 66609 Total Submissions: 230331 Difficulty: MediumSort a linked list using insertion sort.Subscribe to see which companies asked thi

Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of lineiis at (i,ai) and (i, 0). Find two...