Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it to {1,4,2,3}. 这道链表重排序问题可以拆分为以下三个小问题: 1. 使用快慢指针来找到链表的中点,并将链表从中…

Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 思路: 先把链表分成两节,后半部分翻转,然后前后交叉连接. 大神的代码比我的简洁,注意分两节时用快…

Reorder List Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it to {1,4,2,3}. 说明:分三步,1.从中间分开,成两部分.2,后半部分链表逆置.3.插…

本问题出自:微软2014实习生及秋令营技术类职位在线测试 (Microsoft Online Test for Core Technical Positions) Description For this question, your program is required to process an input string containing only ASCII characters between '0' and '9', or between 'a' and 'z' (includi…

题目: Given a singly linked list L: L0→L1→-→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→- You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 基本思路:     用了一个很蠢很直接的方法,定位到中间节点,后半段入栈,然后把后半段与前…

[本文链接] http://www.cnblogs.com/hellogiser/p/reorder-list.html [题目] Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4,5,6,7},…

Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it to {1,4,2,3}. 解题思路一: 每次将Ln换到前面,得到L0→Ln→L1→L2→L3→,然后对L1使用相同操作,…

字符串重新排列,让里面不能有相同字母在一起.比如aaabbb非法的,要让它变成ababab.给一种即可 Greedy: 跟FB面经Prepare task Schedule II很像,记录每个char出现次数,然后用最大堆,把剩下char里面出现次数多的优先Poll出来组建新的string 如果poll出来的char跟上一个相同,则用一个queue暂时存一下 我觉得时间复杂度:O(N) + O(KlogK) + O(NlogK) = O(NlogK) ,where K is the number…

Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. Solution: make sure the last element points to NU…

Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 代码如下: /** * Definition for singly-linked list. *…

Given a singly linked list L: L0→L1→-→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→- You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 按照题意改变链表结构. 1.使用list记录链表. /** * Definition for si…

题目: Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 代码: /** * Definition for singly-linked list.…

一.题目描述 Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 二.分析 1.暴力解法 这种解法所需的时间的时间复杂度比较高,为O(n2) 代码如下…

Reorder the Books Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 919    Accepted Submission(s): 501 Problem Description dxy has a collection of a series of books called "The Stories of SDOI&q…

Reorder the Books Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5500 Description dxy家收藏了一套书,这套书叫<SDOI故事集>,<SDOI故事集>有n(n≤19)n(n\leq 19)n(n≤19)本,每本书有一个编号,从111号到nnn号. dxy把这些书按编号从小到大,从上往下摞成一摞.dxy对这套书极其重视,不允许…

Reorder List Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 思路: 1.利用快慢两个指针将链表一分为二: 2.针对第二个子链表求倒序…

For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution { public: void reorderList(ListNode *head…

Problem Description dxy has a collection of a series of books called “The Stories of SDOI”,There are n(n≤19) books in this series.Every book has a number from 1 to n. dxy puts these books in a book stack with the order of their numbers increasing fro…

问题描述: Time Limit: 10000msCase Time Limit: 1000msMemory Limit: 256MB DescriptionFor this question, your program is required to process an input string containing only ASCII characters between ‘0’ and ‘9’, or between ‘a’ and ‘z’ (including ‘0’, ‘9’, ‘a…

otal Accepted: 54991 Total Submissions: 252600 Difficulty: Medium Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder…

Reorder the Books Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 179    Accepted Submission(s): 125 Problem Description dxy has a collection of a series of books called "The Stories of SDOI&q…

Given a singly linked list L: L0→L1→-→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→- You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it to {1,4,2,3}. /** * Definition for singly-linked list. * clas…

→-→Ln-1→Ln, reorder it to: L→Ln-2→- You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder itto {1,4,2,3}. Considering the following steps:  * 1. split such list into two list, first and second, according…

Re-order Buffer(ROB)是处理器中非常重要的一个模块,它位于renamer与scheduler(RS)之间,并且也是execution unit(EU)的出口.ROB作为指令处理的后端,其主要任务是存储指令经由EU处理后得到的结果,并把该结果按照in-order顺序写回到寄存器文件. Intel没有给出详细的ROB pipeline,下面的pipeline的描述以及分析主要基于参考资料以及本人的一些推断,不一定准确,仅供参考. Early ROB ROB的目的为存储out-of-…

题目链接 题目要求: Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it to {1,4,2,3}. 刚看到题目,第一个冒出来的想法如下: 对应程序如下: /** * Def…

Given a singly linked list L: L0→L1→-→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→- You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 分析: 本题可以参考reverse Linked List II的做法.这个题,依次从最后将元素放…

Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You may not modify the values in the list's nodes, only nodes itself may be changed. Example 1: Given 1->2->3->4, reorder it to 1->4->2->3. Example 2: G…

You have an array of logs.  Each log is a space delimited string of words. For each log, the first word in each log is an alphanumeric identifier.  Then, either: Each word after the identifier will consist only of lowercase letters, or; Each word aft…

Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example,Given {1,2,3,4}, reorder it to {1,4,2,3}. 搞了一天多,纠结到一个while 写成了if........... 思路很清晰,  找出链表的中点…

Time Limit:10000ms Case Time Limit:1000ms Memory Limit:256MB Description For this question, your program is required to process an input string containing only ASCII characters between '0' and '9', or between 'a' and 'z' (including '0', '9', 'a', 'z'…