哈士奇有一堆小秘密:)
more >>Given a linked list, reverse the nodes of a linked list k at a time and return its modified list.
k is a positive integer and is less than or equal to the length of the linked list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is.
You may not alter the values in the nodes, only nodes itself may be changed.
Only constant memory is allowed.
more >>Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.
more >>Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
more >>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.
more >>Given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[‘ and ‘]’, determine if the input string is valid.
The brackets must close in the correct order, “()” and “()[]{}” are all valid but “(]” and “([)]” are not.
more >>Given a linked list, remove the nth node from the end of list and return its head.
Note:
Given n will always be valid.
Try to do this in one pass.
more >>Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution.
tag:
缺失模块。
1、请确保node版本大于6.2
2、在博客根目录（注意不是yilia根目录）执行以下命令：
npm i hexo-generator-json-content --save
3、在根目录_config.yml里添加配置：
jsonContent:
meta: false
pages: false
posts:
title: true
date: true
path: true
text: false
raw: false
content: false
slug: false
updated: false
comments: false
link: false
permalink: false
excerpt: false
categories: false
tags: true