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LeetCode 21. Merge Two Sorted Lists合并两个有序链表 (C++)
题目: Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Exam ...
分类:编程语言   时间:2019-05-13 09:13:08    阅读次数:106
ARTS打卡计划第一周
Algorithms: https://leetcode-cn.com/problems/two-sum/ Review: https://www.infoq.cn/article/EafgGJEtqQTAa_0sP62N Q版本,慢慢雏形已经出来。 Tips: c++11 : 1.nullptr ...
分类:其他好文   时间:2019-05-13 01:13:31    阅读次数:146
OSPF中DR和BDR到底是谁先选举出来的?
在OSPF的DRBDR选举的过程中,DR的选举依靠的是hello报文,在two-way之后,交互hello报文完成DR/BDR的选举。 那么在每台路由器根据收到的所有hello报文,会构建自己接口的数据结构,并按照一下算法,计算出DR/BDR: 1、路由器接口数据结构中维持三个集合,分别是: (1) ...
分类:其他好文   时间:2019-05-13 00:55:32    阅读次数:170
Contains Duplicate II LT219
Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the ...
分类:其他好文   时间:2019-05-12 11:08:59    阅读次数:125
leetcode2
问题描述:https://leetcode-cn.com/problems/median-of-two-sorted-arrays/ 给定两个大小为 m 和 n 的有序数组 nums1 和 nums2。 请你找出这两个有序数组的中位数,并且要求算法的时间复杂度为 O(log(m + n))。 你可以 ...
分类:其他好文   时间:2019-05-12 10:59:14    阅读次数:135
【LeetCode每天一题】Same Tree(相同的树)
Given two binary trees, write a function to check if they are the same or not.Two binary trees are considered the same if they are structurally identi ...
分类:其他好文   时间:2019-05-11 21:42:17    阅读次数:96
Python 基础之集合相关操作与函数和字典相关函数
一:集合相关操作与相关函数 1.集合相关操作(交 差 并 补 )#intersection() 交集set1 = {"one","two","three"}set2 = {"four","five","one"}res = set1.intersection(set2)print(res)res = ...
分类:编程语言   时间:2019-05-11 21:41:46    阅读次数:109
#Leetcode# 183. Customers Who Never Order
https://leetcode.com/problems/customers-who-never-order/ Suppose that a website contains two tables, the Customers table and the Orderstable. Write a ...
分类:其他好文   时间:2019-05-11 16:27:28    阅读次数:129
1. Two Sum[E]
题目 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ...
分类:其他好文   时间:2019-05-11 10:59:23    阅读次数:128
PAT_A1154#Vertex Coloring
Source: PAT A 1154 Vertex Coloring (25 分) Description: A proper vertex coloring is a labeling of the graph's vertices with colors such that no two ver ...
分类:其他好文   时间:2019-05-10 23:36:59    阅读次数:179
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