René's URL Explorer Experiment

Title: GitHub - wangsuse/leetcode: LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。) · GitHub

Open Graph Title: GitHub - wangsuse/leetcode: LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

X Title: GitHub - wangsuse/leetcode: LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

Description: LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。) - wangsuse/leetcode

Open Graph Description: LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。) - wangsuse/leetcode

X Description: LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。) - wangsuse/leetcode

Mail addresses
azl397985856@gmail.com

Opengraph URL: https://github.com/wangsuse/leetcode

X: @github

direct link

Domain: github.com

route-pattern	/:user_id/:repository
route-controller	files
route-action	disambiguate
fetch-nonce	v2:b0fa7230-7a70-0113-85a7-a6c141d43915
current-catalog-service-hash	f3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id	ABDE:10E3AA:C2E963:109101A:6A57E68D
html-safe-nonce	f757bee1dc4c9589c75e64be4ee90a6c1b43226188ac4706efaa2ccd7971ada5
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBQkRFOjEwRTNBQTpDMkU5NjM6MTA5MTAxQTo2QTU3RTY4RCIsInZpc2l0b3JfaWQiOiI3NDAxOTYyOTIxOTMxNTY0Njg1IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmac	362a30ab435cbb7c764db025d69755c88a3df84d7e66adf5215982137f995b90
hovercard-subject-tag	repository:266021015
github-keyboard-shortcuts	repository,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	//
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/wangsuse/leetcode
twitter:image	https://opengraph.githubassets.com/781dfc0b6826c1427cc6e45697fe93820f72bc6773b69bafa7a3f6aa5a2fe635/wangsuse/leetcode
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/781dfc0b6826c1427cc6e45697fe93820f72bc6773b69bafa7a3f6aa5a2fe635/wangsuse/leetcode
og:image:alt	LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。) - wangsuse/leetcode
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
hostname	github.com
expected-hostname	github.com
None	49c8c15fabcbf356d607a90ca115c13b273e42ff8b74155de050fd229a9b0121
turbo-cache-control	no-cache
go-import	github.com/wangsuse/leetcode git https://github.com/wangsuse/leetcode.git
octolytics-dimension-user_id	5797688
octolytics-dimension-user_login	wangsuse
octolytics-dimension-repository_id	266021015
octolytics-dimension-repository_nwo	wangsuse/leetcode
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	true
octolytics-dimension-repository_parent_id	127407957
octolytics-dimension-repository_parent_nwo	azl397985856/leetcode
octolytics-dimension-repository_network_root_id	127407957
octolytics-dimension-repository_network_root_nwo	azl397985856/leetcode
turbo-body-classes	logged-out env-production page-responsive
disable-turbo	false
browser-stats-url	https://api.github.com/_private/browser/stats
browser-errors-url	https://api.github.com/_private/browser/errors
release	72a32c9d47294b6b7eb7f0250253277920c7a987
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://github.com/wangsuse/leetcode#start-of-content
	https://github.com/
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fwangsuse%2Fleetcode
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub Copilot appDirect agents from issue to merge	https://github.com/features/ai/github-app
MCP RegistryNewIntegrate external tools	https://github.com/mcp
ActionsAutomate any workflow	https://github.com/features/actions
CodespacesInstant dev environments	https://github.com/features/codespaces
IssuesPlan and track work	https://github.com/features/issues
Code ReviewManage code changes	https://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilities	https://github.com/security/advanced-security
Code securitySecure your code as you build	https://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they start	https://github.com/security/advanced-security/secret-protection
Why GitHub	https://github.com/why-github
Documentation	https://docs.github.com
Blog	https://github.blog
Changelog	https://github.blog/changelog
Marketplace	https://github.com/marketplace
View all features	https://github.com/features
Enterprises	https://github.com/enterprise
Small and medium teams	https://github.com/team
Startups	https://github.com/enterprise/startups
Nonprofits	https://github.com/solutions/industry/nonprofits
App Modernization	https://github.com/solutions/use-case/app-modernization
DevSecOps	https://github.com/solutions/use-case/devsecops
DevOps	https://github.com/solutions/use-case/devops
CI/CD	https://github.com/solutions/use-case/ci-cd
View all use cases	https://github.com/solutions/use-case
Healthcare	https://github.com/solutions/industry/healthcare
Financial services	https://github.com/solutions/industry/financial-services
Manufacturing	https://github.com/solutions/industry/manufacturing
Government	https://github.com/solutions/industry/government
View all industries	https://github.com/solutions/industry
View all solutions	https://github.com/solutions
AI	https://github.com/resources/articles?topic=ai
Software Development	https://github.com/resources/articles?topic=software-development
DevOps	https://github.com/resources/articles?topic=devops
Security	https://github.com/resources/articles?topic=security
View all topics	https://github.com/resources/articles
Customer stories	https://github.com/customer-stories
Events & webinars	https://github.com/resources/events
Ebooks & reports	https://github.com/resources/whitepapers
Business insights	https://github.com/solutions/executive-insights
GitHub Skills	https://skills.github.com
Documentation	https://docs.github.com
Customer support	https://support.github.com
Community forum	https://github.com/orgs/community/discussions
Trust center	https://github.com/trust-center
Partners	https://github.com/partners
View all resources	https://github.com/resources
GitHub SponsorsFund open source developers	https://github.com/open-source/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/open-source/accelerator
GitHub Stars	https://stars.github.com
Archive Program	https://archiveprogram.github.com
Topics	https://github.com/topics
Trending	https://github.com/trending
Collections	https://github.com/collections
Enterprise platformAI-powered developer platform	https://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security features	https://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI features	https://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 support	https://github.com/enterprise/premium-support
Pricing	https://github.com/pricing
Search syntax tips	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentation	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in	https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fwangsuse%2Fleetcode
Sign up	https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E&source=header-repo&source_repo=wangsuse%2Fleetcode
Reload	https://github.com/wangsuse/leetcode
Reload	https://github.com/wangsuse/leetcode
Reload	https://github.com/wangsuse/leetcode
wangsuse	https://github.com/wangsuse
leetcode	https://github.com/wangsuse/leetcode
azl397985856/leetcode	https://github.com/azl397985856/leetcode
Notifications	https://github.com/login?return_to=%2Fwangsuse%2Fleetcode
Fork 0	https://github.com/login?return_to=%2Fwangsuse%2Fleetcode
Star 0	https://github.com/login?return_to=%2Fwangsuse%2Fleetcode
Code	https://github.com/wangsuse/leetcode
Pull requests 0	https://github.com/wangsuse/leetcode/pulls
Actions	https://github.com/wangsuse/leetcode/actions
Projects	https://github.com/wangsuse/leetcode/projects
Security and quality 0	https://github.com/wangsuse/leetcode/security
Insights	https://github.com/wangsuse/leetcode/pulse
Code	https://github.com/wangsuse/leetcode
Pull requests	https://github.com/wangsuse/leetcode/pulls
Actions	https://github.com/wangsuse/leetcode/actions
Projects	https://github.com/wangsuse/leetcode/projects
Security and quality	https://github.com/wangsuse/leetcode/security
Insights	https://github.com/wangsuse/leetcode/pulse
	https://github.com/wangsuse/leetcode
Branches	https://github.com/wangsuse/leetcode/branches
Tags	https://github.com/wangsuse/leetcode/tags
	https://github.com/wangsuse/leetcode/branches
	https://github.com/wangsuse/leetcode/tags
662 Commits	https://github.com/wangsuse/leetcode/commits/master/
	https://github.com/wangsuse/leetcode/commits/master/
.github	https://github.com/wangsuse/leetcode/tree/master/.github
.github	https://github.com/wangsuse/leetcode/tree/master/.github
assets	https://github.com/wangsuse/leetcode/tree/master/assets
assets	https://github.com/wangsuse/leetcode/tree/master/assets
backlog	https://github.com/wangsuse/leetcode/tree/master/backlog
backlog	https://github.com/wangsuse/leetcode/tree/master/backlog
daily	https://github.com/wangsuse/leetcode/tree/master/daily
daily	https://github.com/wangsuse/leetcode/tree/master/daily
problems	https://github.com/wangsuse/leetcode/tree/master/problems
problems	https://github.com/wangsuse/leetcode/tree/master/problems
templates	https://github.com/wangsuse/leetcode/tree/master/templates
templates	https://github.com/wangsuse/leetcode/tree/master/templates
thinkings	https://github.com/wangsuse/leetcode/tree/master/thinkings
thinkings	https://github.com/wangsuse/leetcode/tree/master/thinkings
todo/candidates	https://github.com/wangsuse/leetcode/tree/master/todo/candidates
todo/candidates	https://github.com/wangsuse/leetcode/tree/master/todo/candidates
.gitignore	https://github.com/wangsuse/leetcode/blob/master/.gitignore
.gitignore	https://github.com/wangsuse/leetcode/blob/master/.gitignore
CONTRIBUTING.en.md	https://github.com/wangsuse/leetcode/blob/master/CONTRIBUTING.en.md
CONTRIBUTING.en.md	https://github.com/wangsuse/leetcode/blob/master/CONTRIBUTING.en.md
CONTRIBUTING.md	https://github.com/wangsuse/leetcode/blob/master/CONTRIBUTING.md
CONTRIBUTING.md	https://github.com/wangsuse/leetcode/blob/master/CONTRIBUTING.md
LICENSE.txt	https://github.com/wangsuse/leetcode/blob/master/LICENSE.txt
LICENSE.txt	https://github.com/wangsuse/leetcode/blob/master/LICENSE.txt
README.en.md	https://github.com/wangsuse/leetcode/blob/master/README.en.md
README.en.md	https://github.com/wangsuse/leetcode/blob/master/README.en.md
README.md	https://github.com/wangsuse/leetcode/blob/master/README.md
README.md	https://github.com/wangsuse/leetcode/blob/master/README.md
donation.md	https://github.com/wangsuse/leetcode/blob/master/donation.md
donation.md	https://github.com/wangsuse/leetcode/blob/master/donation.md
thanksGiving.md	https://github.com/wangsuse/leetcode/blob/master/thanksGiving.md
thanksGiving.md	https://github.com/wangsuse/leetcode/blob/master/thanksGiving.md
thanksGiving2.md	https://github.com/wangsuse/leetcode/blob/master/thanksGiving2.md
thanksGiving2.md	https://github.com/wangsuse/leetcode/blob/master/thanksGiving2.md
thanksGiving3.md	https://github.com/wangsuse/leetcode/blob/master/thanksGiving3.md
thanksGiving3.md	https://github.com/wangsuse/leetcode/blob/master/thanksGiving3.md
README	https://github.com/wangsuse/leetcode
Contributing	https://github.com/wangsuse/leetcode
Apache-2.0 license	https://github.com/wangsuse/leetcode
	https://github.com/wangsuse/leetcode#leetcode
	https://github.com/wangsuse/leetcode/blob/master
	https://github.com/wangsuse/leetcode/blob/master
	https://github.com/wangsuse/leetcode/blob/master
	https://github.com/wangsuse/leetcode/blob/master
	https://github.com/wangsuse/leetcode#%E5%85%B3%E6%B3%A8%E6%88%91
	https://github.com/wangsuse/leetcode#%E5%85%B3%E6%B3%A8%E6%88%91
	https://juejin.im/user/58af98305c497d0067780b3b
	https://www.zhihu.com/people/lu-xiao-13-70
	https://space.bilibili.com/519510412/
	https://camo.githubusercontent.com/477dd1440ef155f35148684d22661044efe430c126bf39a6689e9076b1a53e75/68747470733a2f2f76697369746f722d636f756e742d62616467652e6865726f6b756170702e636f6d2f746f74616c2e7376673f7265706f5f69643d617a6c3339373938353835362e6c656574636f6465
	https://camo.githubusercontent.com/28193f269043a64c698610fd59aa6ff30272c1a42bf4fb165ba9da0bee4327ad/68747470733a2f2f76697369746f722d636f756e742d62616467652e6865726f6b756170702e636f6d2f746f6461792e7376673f7265706f5f69643d617a6c3339373938353835362e6c656574636f6465
English	https://github.com/wangsuse/leetcode/blob/master/README.en.md
	https://github.com/wangsuse/leetcode/blob/master/assets/leetcode.jpeg
纪念项目 Star 突破 1W 的一个短文	https://github.com/wangsuse/leetcode/blob/master/thanksGiving.md
纪念 LeetCode 项目 Star 突破 2W	https://github.com/wangsuse/leetcode/blob/master/thanksGiving2.md
项目突破三万 Star	https://github.com/wangsuse/leetcode/blob/master/thanksGiving3.md
http://leetcode-solution.cn/	http://leetcode-solution.cn/
	https://camo.githubusercontent.com/79087377bf2869129c398cb75b42ff4d6fa1eb1d5d1703f1e91a60a70ac98aaa/68747470733a2f2f747661312e73696e61696d672e636e2f6c617267652f30303753385a496c6c7931676476656e78766a6c736a33307a393064746468772e6a7067
	https://github.com/wangsuse/leetcode#介绍
	https://github.com/wangsuse/leetcode#关于我
https://lucifer.ren/blog/	https://lucifer.ren/blog/
宇宙最强的前端面试指南	https://github.com/azl397985856/fe-interview
我的第一本小书	https://github.com/azl397985856/automate-everything
《或许是一本可以彻底改变你刷 LeetCode 效率的题解书》	https://lucifer.ren/blog/2020/04/07/leetcode-book.intro/
	https://github.com/wangsuse/leetcode#食用指南
https://www.zhihu.com/question/24964987/answer/586425979	https://www.zhihu.com/question/24964987/answer/586425979
《大家都是如何刷 LeetCode 的？》	https://www.zhihu.com/question/280279208/answer/824585814
	https://github.com/wangsuse/leetcode/blob/master/assets/leetcode-zhihu.jpg
	https://github.com/wangsuse/leetcode#精彩预告
0042.trapping-rain-water	https://github.com/wangsuse/leetcode/blob/master/problems/42.trapping-rain-water.md
	https://github.com/wangsuse/leetcode/blob/master/assets/problems/42.trapping-rain-water-1.png
0547.friend-circles	https://github.com/wangsuse/leetcode/blob/master/problems/547.friend-circles-en.md
	https://github.com/wangsuse/leetcode/blob/master/assets/problems/547.friend-circle-bfs.png
backtrack problems	https://github.com/wangsuse/leetcode/blob/master/problems/90.subsets-ii.md
	https://github.com/wangsuse/leetcode/blob/master/assets/problems/backtrack.png
0198.house-robber	https://github.com/wangsuse/leetcode/blob/master/problems/198.house-robber.md
	https://github.com/wangsuse/leetcode/blob/master/assets/problems/198.house-robber.png
0454.4-sum-ii	https://github.com/wangsuse/leetcode/blob/master/problems/454.4-sum-ii.md
	https://github.com/wangsuse/leetcode/blob/master/assets/problems/454.4-sum-ii.png
	https://github.com/wangsuse/leetcode#top-题目进度
Top 100 Liked Questions	https://leetcode.com/problemset/top-100-liked-questions/
Top Interview Questions	https://leetcode.com/problemset/top-interview-questions/
	https://github.com/wangsuse/leetcode#传送门
	https://github.com/wangsuse/leetcode#leetcode-经典题目的解析
	https://github.com/wangsuse/leetcode#简单难度
0001.TwoSum	https://github.com/wangsuse/leetcode/blob/master/problems/1.TwoSum.md
0020.Valid Parentheses	https://github.com/wangsuse/leetcode/blob/master/problems/20.validParentheses.md
0021.MergeTwoSortedLists	https://github.com/wangsuse/leetcode/blob/master/problems/21.MergeTwoSortedLists.md
0026.remove-duplicates-from-sorted-array	https://github.com/wangsuse/leetcode/blob/master/problems/26.remove-duplicates-from-sorted-array.md
0053.maximum-sum-subarray	https://github.com/wangsuse/leetcode/blob/master/problems/53.maximum-sum-subarray-cn.md
0088.merge-sorted-array	https://github.com/wangsuse/leetcode/blob/master/problems/88.merge-sorted-array.md
0104.maximum-depth-of-binary-tree	https://github.com/wangsuse/leetcode/blob/master/problems/104.maximum-depth-of-binary-tree.md
0121.best-time-to-buy-and-sell-stock	https://github.com/wangsuse/leetcode/blob/master/problems/121.best-time-to-buy-and-sell-stock.md
0122.best-time-to-buy-and-sell-stock-ii	https://github.com/wangsuse/leetcode/blob/master/problems/122.best-time-to-buy-and-sell-stock-ii.md
0125.valid-palindrome	https://github.com/wangsuse/leetcode/blob/master/problems/125.valid-palindrome.md
0136.single-number	https://github.com/wangsuse/leetcode/blob/master/problems/136.single-number.md
0155.min-stack	https://github.com/wangsuse/leetcode/blob/master/problems/155.min-stack.md
0167.two-sum-ii-input-array-is-sorted	https://github.com/wangsuse/leetcode/blob/master/problems/167.two-sum-ii-input-array-is-sorted.md
0169.majority-element	https://github.com/wangsuse/leetcode/blob/master/problems/169.majority-element.md
0172.factorial-trailing-zeroes	https://github.com/wangsuse/leetcode/blob/master/problems/172.factorial-trailing-zeroes.md
0190.reverse-bits	https://github.com/wangsuse/leetcode/blob/master/problems/190.reverse-bits.md
0191.number-of-1-bits	https://github.com/wangsuse/leetcode/blob/master/problems/191.number-of-1-bits.md
0198.house-robber	https://github.com/wangsuse/leetcode/blob/master/problems/198.house-robber.md
0203.remove-linked-list-elements	https://github.com/wangsuse/leetcode/blob/master/problems/203.remove-linked-list-elements.md
0206.reverse-linked-list	https://github.com/wangsuse/leetcode/blob/master/problems/206.reverse-linked-list.md
0219.contains-duplicate-ii	https://github.com/wangsuse/leetcode/blob/master/problems/219.contains-duplicate-ii.md
0226.invert-binary-tree	https://github.com/wangsuse/leetcode/blob/master/problems/226.invert-binary-tree.md
0232.implement-queue-using-stacks	https://github.com/wangsuse/leetcode/blob/master/problems/232.implement-queue-using-stacks.md
0263.ugly-number	https://github.com/wangsuse/leetcode/blob/master/problems/263.ugly-number.md
0283.move-zeroes	https://github.com/wangsuse/leetcode/blob/master/problems/283.move-zeroes.md
0342.power-of-four	https://github.com/wangsuse/leetcode/blob/master/problems/342.power-of-four.md
0349.intersection-of-two-arrays	https://github.com/wangsuse/leetcode/blob/master/problems/349.intersection-of-two-arrays.md
0371.sum-of-two-integers	https://github.com/wangsuse/leetcode/blob/master/problems/371.sum-of-two-integers.md
0437.path-sum-iii	https://github.com/wangsuse/leetcode/blob/master/problems/437.path-sum-iii.md
0455.AssignCookies	https://github.com/wangsuse/leetcode/blob/master/problems/455.AssignCookies.md
0501.find-mode-in-binary-search-tree	https://github.com/wangsuse/leetcode/blob/master/problems/501.Find-Mode-in-Binary-Search-Tree.md
0575.distribute-candies	https://github.com/wangsuse/leetcode/blob/master/problems/575.distribute-candies.md
0874.walking-robot-simulation	https://github.com/wangsuse/leetcode/blob/master/problems/874.walking-robot-simulation.md
1260.shift-2d-grid	https://github.com/wangsuse/leetcode/blob/master/problems/1260.shift-2d-grid.md
1332.remove-palindromic-subsequences	https://github.com/wangsuse/leetcode/blob/master/problems/1332.remove-palindromic-subsequences.md
	https://github.com/wangsuse/leetcode#中等难度
0002. Add Two Numbers	https://github.com/wangsuse/leetcode/blob/master/problems/2.addTwoNumbers.md
0003. Longest Substring Without Repeating Characters	https://github.com/wangsuse/leetcode/blob/master/problems/3.longestSubstringWithoutRepeatingCharacters.md
0005.longest-palindromic-substring	https://github.com/wangsuse/leetcode/blob/master/problems/5.longest-palindromic-substring.md
0011.container-with-most-water	https://github.com/wangsuse/leetcode/blob/master/problems/11.container-with-most-water.md
0015.3-sum	https://github.com/wangsuse/leetcode/blob/master/problems/15.3-sum.md
0017.Letter-Combinations-of-a-Phone-Number	https://github.com/wangsuse/leetcode/blob/master/problems/17.Letter-Combinations-of-a-Phone-Number.md
0019. Remove Nth Node From End of List	https://github.com/wangsuse/leetcode/blob/master/problems/19.removeNthNodeFromEndofList.md
0022.GenerateParentheses	https://github.com/wangsuse/leetcode/blob/master/problems/22.GenerateParentheses.md
0024. Swap Nodes In Pairs	https://github.com/wangsuse/leetcode/blob/master/problems/24.swapNodesInPairs.md
0029.divide-two-integers	https://github.com/wangsuse/leetcode/blob/master/problems/29.divide-two-integers.md
0031.next-permutation	https://github.com/wangsuse/leetcode/blob/master/problems/31.next-permutation.md
0033.search-in-rotated-sorted-array	https://github.com/wangsuse/leetcode/blob/master/problems/33.search-in-rotated-sorted-array.md
0039.combination-sum	https://github.com/wangsuse/leetcode/blob/master/problems/39.combination-sum.md
0040.combination-sum-ii	https://github.com/wangsuse/leetcode/blob/master/problems/40.combination-sum-ii.md
0046.permutations	https://github.com/wangsuse/leetcode/blob/master/problems/46.permutations.md
0047.permutations-ii	https://github.com/wangsuse/leetcode/blob/master/problems/47.permutations-ii.md
0048.rotate-image	https://github.com/wangsuse/leetcode/blob/master/problems/48.rotate-image.md
0049.group-anagrams	https://github.com/wangsuse/leetcode/blob/master/problems/49.group-anagrams.md
0050.pow-x-n	https://github.com/wangsuse/leetcode/blob/master/problems/50.pow-x-n.md
0055.jump-game	https://github.com/wangsuse/leetcode/blob/master/problems/55.jump-game.md
0056.merge-intervals	https://github.com/wangsuse/leetcode/blob/master/problems/56.merge-intervals.md
0060.permutation-sequence	https://github.com/wangsuse/leetcode/blob/master/problems/60.permutation-sequence.md
0062.unique-paths	https://github.com/wangsuse/leetcode/blob/master/problems/62.unique-paths.md
0073.set-matrix-zeroes	https://github.com/wangsuse/leetcode/blob/master/problems/73.set-matrix-zeroes.md
0075.sort-colors	https://github.com/wangsuse/leetcode/blob/master/problems/75.sort-colors.md
0078.subsets	https://github.com/wangsuse/leetcode/blob/master/problems/78.subsets.md
0079.word-search	https://github.com/wangsuse/leetcode/blob/master/problems/79.word-search-en.md
0080.remove-duplicates-from-sorted-array-ii	https://github.com/wangsuse/leetcode/blob/master/problems/80.remove-duplicates-from-sorted-array-ii.md
0086.partition-list	https://github.com/wangsuse/leetcode/blob/master/problems/86.partition-list.md
0090.subsets-ii	https://github.com/wangsuse/leetcode/blob/master/problems/90.subsets-ii.md
0091.decode-ways	https://github.com/wangsuse/leetcode/blob/master/problems/91.decode-ways.md
0092.reverse-linked-list-ii	https://github.com/wangsuse/leetcode/blob/master/problems/92.reverse-linked-list-ii.md
0094.binary-tree-inorder-traversal	https://github.com/wangsuse/leetcode/blob/master/problems/94.binary-tree-inorder-traversal.md
0095.unique-binary-search-trees-ii	https://github.com/wangsuse/leetcode/blob/master/problems/95.unique-binary-search-trees-ii.md
0096.unique-binary-search-trees	https://github.com/wangsuse/leetcode/blob/master/problems/96.unique-binary-search-trees.md
0098.validate-binary-search-tree	https://github.com/wangsuse/leetcode/blob/master/problems/98.validate-binary-search-tree.md
0102.binary-tree-level-order-traversal	https://github.com/wangsuse/leetcode/blob/master/problems/102.binary-tree-level-order-traversal.md
0103.binary-tree-zigzag-level-order-traversal	https://github.com/wangsuse/leetcode/blob/master/problems/103.binary-tree-zigzag-level-order-traversal.md
105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md	https://github.com/wangsuse/leetcode/blob/master/problems/105.Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal.md
0113.path-sum-ii	https://github.com/wangsuse/leetcode/blob/master/problems/113.path-sum-ii.md
0129.sum-root-to-leaf-numbers	https://github.com/wangsuse/leetcode/blob/master/problems/129.sum-root-to-leaf-numbers.md
0130.surrounded-regions	https://github.com/wangsuse/leetcode/blob/master/problems/130.surrounded-regions.md
0131.palindrome-partitioning	https://github.com/wangsuse/leetcode/blob/master/problems/131.palindrome-partitioning.md
0139.word-break	https://github.com/wangsuse/leetcode/blob/master/problems/139.word-break.md
0144.binary-tree-preorder-traversal	https://github.com/wangsuse/leetcode/blob/master/problems/144.binary-tree-preorder-traversal.md
0150.evaluate-reverse-polish-notation	https://github.com/wangsuse/leetcode/blob/master/problems/150.evaluate-reverse-polish-notation.md
0152.maximum-product-subarray	https://github.com/wangsuse/leetcode/blob/master/problems/152.maximum-product-subarray.md
0199.binary-tree-right-side-view	https://github.com/wangsuse/leetcode/blob/master/problems/199.binary-tree-right-side-view.md
0200.number-of-islands	https://github.com/wangsuse/leetcode/blob/master/problems/200.number-of-islands.md
0201.bitwise-and-of-numbers-range	https://github.com/wangsuse/leetcode/blob/master/problems/201.bitwise-and-of-numbers-range.md
0208.implement-trie-prefix-tree	https://github.com/wangsuse/leetcode/blob/master/problems/208.implement-trie-prefix-tree.md
0209.minimum-size-subarray-sum	https://github.com/wangsuse/leetcode/blob/master/problems/209.minimum-size-subarray-sum.md
0211.add-and-search-word-data-structure-design	https://github.com/wangsuse/leetcode/blob/master/problems/211.add-and-search-word-data-structure-design.md
0215.kth-largest-element-in-an-array	https://github.com/wangsuse/leetcode/blob/master/problems/215.kth-largest-element-in-an-array.md
0221.maximal-square	https://github.com/wangsuse/leetcode/blob/master/problems/221.maximal-square.md
0229.majority-element-ii	https://github.com/wangsuse/leetcode/blob/master/problems/229.majority-element-ii.md
0230.kth-smallest-element-in-a-bst	https://github.com/wangsuse/leetcode/blob/master/problems/230.kth-smallest-element-in-a-bst.md
0236.lowest-common-ancestor-of-a-binary-tree	https://github.com/wangsuse/leetcode/blob/master/problems/236.lowest-common-ancestor-of-a-binary-tree.md
0238.product-of-array-except-self	https://github.com/wangsuse/leetcode/blob/master/problems/238.product-of-array-except-self.md
0240.search-a-2-d-matrix-ii	https://github.com/wangsuse/leetcode/blob/master/problems/240.search-a-2-d-matrix-ii.md
0279.perfect-squares	https://github.com/wangsuse/leetcode/blob/master/problems/279.perfect-squares.md
0309.best-time-to-buy-and-sell-stock-with-cooldown	https://github.com/wangsuse/leetcode/blob/master/problems/309.best-time-to-buy-and-sell-stock-with-cooldown.md
0322.coin-change	https://github.com/wangsuse/leetcode/blob/master/problems/322.coin-change.md
0328.odd-even-linked-list	https://github.com/wangsuse/leetcode/blob/master/problems/328.odd-even-linked-list.md
0334.increasing-triplet-subsequence	https://github.com/wangsuse/leetcode/blob/master/problems/334.increasing-triplet-subsequence.md
0343.integer-break	https://github.com/wangsuse/leetcode/blob/master/problems/343.integer-break.md
0365.water-and-jug-problem	https://github.com/wangsuse/leetcode/blob/master/problems/365.water-and-jug-problem.md
0378.kth-smallest-element-in-a-sorted-matrix	https://github.com/wangsuse/leetcode/blob/master/problems/378.kth-smallest-element-in-a-sorted-matrix.md
0380.insert-delete-getrandom-o1	https://github.com/wangsuse/leetcode/blob/master/problems/380.insert-delete-getrandom-o1.md
0416.partition-equal-subset-sum	https://github.com/wangsuse/leetcode/blob/master/problems/416.partition-equal-subset-sum.md
0445.add-two-numbers-ii	https://github.com/wangsuse/leetcode/blob/master/problems/445.add-two-numbers-ii.md
0454.4-sum-ii	https://github.com/wangsuse/leetcode/blob/master/problems/454.4-sum-ii.md
0474.ones-and-zeros	https://github.com/wangsuse/leetcode/blob/master/problems/474.ones-and-zeros-en.md
0494.target-sum	https://github.com/wangsuse/leetcode/blob/master/problems/494.target-sum.md
0516.longest-palindromic-subsequence	https://github.com/wangsuse/leetcode/blob/master/problems/516.longest-palindromic-subsequence.md
0518.coin-change-2	https://github.com/wangsuse/leetcode/blob/master/problems/518.coin-change-2.md
0547.friend-circles	https://github.com/wangsuse/leetcode/blob/master/problems/547.friend-circles-en.md
0560.subarray-sum-equals-k	https://github.com/wangsuse/leetcode/blob/master/problems/560.subarray-sum-equals-k.md
0609.find-duplicate-file-in-system	https://github.com/wangsuse/leetcode/blob/master/problems/609.find-duplicate-file-in-system.md
0820.short-encoding-of-words	https://github.com/wangsuse/leetcode/blob/master/problems/820.short-encoding-of-words.md
0875.koko-eating-bananas	https://github.com/wangsuse/leetcode/blob/master/problems/875.koko-eating-bananas.md
0877.stone-game	https://github.com/wangsuse/leetcode/blob/master/problems/877.stone-game.md
0887.super-egg-drop	https://github.com/wangsuse/leetcode/blob/master/problems/887.super-egg-drop.md
0900.rle-iterator	https://github.com/wangsuse/leetcode/blob/master/problems/900.rle-iterator.md
0912.sort-an-array	https://github.com/wangsuse/leetcode/blob/master/problems/912.sort-an-array.md
0935.knight-dialer	https://github.com/wangsuse/leetcode/blob/master/problems/935.knight-dialer.md
1011.capacity-to-ship-packages-within-d-days	https://github.com/wangsuse/leetcode/blob/master/problems/1011.capacity-to-ship-packages-within-d-days.md
1014.best-sightseeing-pair	https://github.com/wangsuse/leetcode/blob/master/problems/1014.best-sightseeing-pair.md
1015.smallest-integer-divisible-by-k	https://github.com/wangsuse/leetcode/blob/master/problems/1015.smallest-integer-divisible-by-k.md
1019.next-greater-node-in-linked-list	https://github.com/wangsuse/leetcode/blob/master/problems/1019.next-greater-node-in-linked-list.md
1020.number-of-enclaves	https://github.com/wangsuse/leetcode/blob/master/problems/1020.number-of-enclaves.md
1023.camelcase-matching	https://github.com/wangsuse/leetcode/blob/master/problems/1023.camelcase-matching.md
1031.maximum-sum-of-two-non-overlapping-subarrays	https://github.com/wangsuse/leetcode/blob/master/problems/1031.maximum-sum-of-two-non-overlapping-subarrays.md
1104.path-in-zigzag-labelled-binary-tree	https://github.com/wangsuse/leetcode/blob/master/problems/1104.path-in-zigzag-labelled-binary-tree.md
1131.maximum-of-absolute-value-expression	https://github.com/wangsuse/leetcode/blob/master/problems/1131.maximum-of-absolute-value-expression.md
1186.maximum-subarray-sum-with-one-deletion	https://github.com/wangsuse/leetcode/blob/master/problems/1186.maximum-subarray-sum-with-one-deletion.md
1218.longest-arithmetic-subsequence-of-given-difference	https://github.com/wangsuse/leetcode/blob/master/problems/1218.longest-arithmetic-subsequence-of-given-difference.md
1227.airplane-seat-assignment-probability	https://github.com/wangsuse/leetcode/blob/master/problems/1227.airplane-seat-assignment-probability.md
1261.find-elements-in-a-contaminated-binary-tree	https://github.com/wangsuse/leetcode/blob/master/problems/1261.find-elements-in-a-contaminated-binary-tree.md
1262.greatest-sum-divisible-by-three	https://github.com/wangsuse/leetcode/blob/master/problems/1262.greatest-sum-divisible-by-three.md
1297.maximum-number-of-occurrences-of-a-substring	https://github.com/wangsuse/leetcode/blob/master/problems/1297.maximum-number-of-occurrences-of-a-substring.md
1310.xor-queries-of-a-subarray	https://github.com/wangsuse/leetcode/blob/master/problems/1310.xor-queries-of-a-subarray.md
1334.find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance	https://github.com/wangsuse/leetcode/blob/master/problems/1334.find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance.md
1371.find-the-longest-substring-containing-vowels-in-even-counts	https://github.com/wangsuse/leetcode/blob/master/problems/1371.find-the-longest-substring-containing-vowels-in-even-counts.md
	https://github.com/wangsuse/leetcode#困难难度
0004.median-of-two-sorted-array	https://github.com/wangsuse/leetcode/blob/master/problems/4.median-of-two-sorted-array.md
0023.merge-k-sorted-lists	https://github.com/wangsuse/leetcode/blob/master/problems/23.merge-k-sorted-lists.md
0025.reverse-nodes-in-k-group	https://github.com/wangsuse/leetcode/blob/master/problems/25.reverse-nodes-in-k-groups-cn.md
0030.substring-with-concatenation-of-all-words	https://github.com/wangsuse/leetcode/blob/master/problems/30.substring-with-concatenation-of-all-words.md
0032.longest-valid-parentheses	https://github.com/wangsuse/leetcode/blob/master/problems/32.longest-valid-parentheses.md
0042.trapping-rain-water	https://github.com/wangsuse/leetcode/blob/master/problems/42.trapping-rain-water.md
0052.N-Queens-II	https://github.com/wangsuse/leetcode/blob/master/problems/52.N-Queens-II.md
0084.largest-rectangle-in-histogram	https://github.com/wangsuse/leetcode/blob/master/problems/84.largest-rectangle-in-histogram.md
0085.maximal-rectangle	https://github.com/wangsuse/leetcode/blob/master/problems/85.maximal-rectangle.md
0124.binary-tree-maximum-path-sum	https://github.com/wangsuse/leetcode/blob/master/problems/124.binary-tree-maximum-path-sum.md
0128.longest-consecutive-sequence	https://github.com/wangsuse/leetcode/blob/master/problems/128.longest-consecutive-sequence.md
0145.binary-tree-postorder-traversal	https://github.com/wangsuse/leetcode/blob/master/problems/145.binary-tree-postorder-traversal.md
0212.word-search-ii	https://github.com/wangsuse/leetcode/blob/master/problems/212.word-search-ii.md
0239.sliding-window-maximum	https://github.com/wangsuse/leetcode/blob/master/problems/239.sliding-window-maximum.md
0295.find-median-from-data-stream	https://github.com/wangsuse/leetcode/blob/master/problems/295.find-median-from-data-stream.md
0301.remove-invalid-parentheses	https://github.com/wangsuse/leetcode/blob/master/problems/301.remove-invalid-parentheses.md
0335.self-crossPing	https://github.com/wangsuse/leetcode/blob/master/problems/335.self-crossing.md
0460.lfu-cache	https://github.com/wangsuse/leetcode/blob/master/problems/460.lfu-cache.md
0472.concatenated-words	https://github.com/wangsuse/leetcode/blob/master/problems/472.concatenated-words.md
0493.reverse-pairs	https://github.com/wangsuse/leetcode/blob/master/problems/493.reverse-pairs.md
0895.maximum-frequency-stack	https://github.com/wangsuse/leetcode/blob/master/problems/895.maximum-frequency-stack.md
1168.optimize-water-distribution-in-a-village	https://github.com/wangsuse/leetcode/blob/master/problems/1168.optimize-water-distribution-in-a-village-cn.md
	https://github.com/wangsuse/leetcode#数据结构与算法的总结
数据结构	https://github.com/wangsuse/leetcode/blob/master/thinkings/basic-data-structure.md
基础算法	https://github.com/wangsuse/leetcode/blob/master/thinkings/basic-algorithm.md
二叉树的遍历	https://github.com/wangsuse/leetcode/blob/master/thinkings/binary-tree-traversal.md
动态规划	https://github.com/wangsuse/leetcode/blob/master/thinkings/dynamic-programming.md
哈夫曼编码和游程编码	https://github.com/wangsuse/leetcode/blob/master/thinkings/run-length-encode-and-huffman-encode.md
布隆过滤器	https://github.com/wangsuse/leetcode/blob/master/thinkings/bloom-filter.md
字符串问题	https://github.com/wangsuse/leetcode/blob/master/thinkings/string-problems.md
前缀树专题	https://github.com/wangsuse/leetcode/blob/master/thinkings/trie.md
《日程安排》专题	https://lucifer.ren/blog/2020/02/03/leetcode-%E6%88%91%E7%9A%84%E6%97%A5%E7%A8%8B%E5%AE%89%E6%8E%92%E8%A1%A8%E7%B3%BB%E5%88%97/
《构造二叉树》专题	https://lucifer.ren/blog/2020/02/08/%E6%9E%84%E9%80%A0%E4%BA%8C%E5%8F%89%E6%A0%91%E4%B8%93%E9%A2%98/
《贪婪策略》专题	https://github.com/wangsuse/leetcode/blob/master/thinkings/greedy.md
《深度优先遍历》专题	https://github.com/wangsuse/leetcode/blob/master/thinkings/DFS.md
滑动窗口（思路 + 模板）	https://github.com/wangsuse/leetcode/blob/master/thinkings/slide-window.md
位运算	https://github.com/wangsuse/leetcode/blob/master/thinkings/bit.md
设计题	https://github.com/wangsuse/leetcode/blob/master/thinkings/design.md
小岛问题	https://github.com/wangsuse/leetcode/blob/master/thinkings/island.md
最大公约数	https://github.com/wangsuse/leetcode/blob/master/thinkings/GCD.md
并查集	https://github.com/wangsuse/leetcode/blob/master/thinkings/union-find.md
前缀和	https://github.com/wangsuse/leetcode/blob/master/thinkings/prefix.md
	https://github.com/wangsuse/leetcode#anki-卡片
anki-card	https://github.com/wangsuse/leetcode/blob/master/assets/anki/leetcode.apkg
anki 官网	https://apps.ankiweb.net/
	https://github.com/wangsuse/leetcode#每日一题
每日一题汇总	https://github.com/wangsuse/leetcode/blob/master/daily
	https://github.com/wangsuse/leetcode/blob/master/assets/daily-summary.png
每日一题认领区	https://github.com/azl397985856/leetcode/projects/1
	https://github.com/wangsuse/leetcode/blob/master/assets/daily-board.png
	https://github.com/wangsuse/leetcode#计划
anki 卡片完善	https://github.com/wangsuse/leetcode/blob/master/assets/anki
字符串类问题汇总	https://github.com/wangsuse/leetcode/blob/master/todo/str
	https://github.com/wangsuse/leetcode#关注我
	https://github.com/wangsuse/leetcode/blob/master/assets/gongzhonghao.jpeg
	https://github.com/wangsuse/leetcode#捐赠
点击查看完整的捐赠列表	https://github.com/wangsuse/leetcode/blob/master/donation.md
	https://github.com/wangsuse/leetcode#微信
	https://github.com/wangsuse/leetcode/blob/master/assets/donate-weixin.jpg
	https://github.com/wangsuse/leetcode#支付宝
	https://github.com/wangsuse/leetcode/blob/master/assets/donate-zfb.jpg
	https://github.com/wangsuse/leetcode#贡献
issue	https://github.com/azl397985856/leetcode/issues
贡献指南	https://github.com/wangsuse/leetcode/blob/master/CONTRIBUTING.md
指南	https://github.com/wangsuse/leetcode/blob/master/templates/problems/1014.best-sightseeing-pair.md
这里	https://github.com/wangsuse/leetcode/blob/master/assets/drawio
draw.io	https://www.draw.io/
	https://github.com/wangsuse/leetcode#鸣谢
小伙伴	https://github.com/azl397985856/leetcode/graphs/contributors
	https://github.com/wangsuse/leetcode#license
Apache-2.0	https://github.com/wangsuse/leetcode/blob/master/LICENSE.txt
leetcode-solution.cn/	https://leetcode-solution.cn/
Readme	https://github.com/wangsuse/leetcode#readme-ov-file
Apache-2.0 license	https://github.com/wangsuse/leetcode#Apache-2.0-1-ov-file
Contributing	https://github.com/wangsuse/leetcode#contributing-ov-file
Please reload this page	https://github.com/wangsuse/leetcode
Activity	https://github.com/wangsuse/leetcode/activity
0 forks	https://github.com/wangsuse/leetcode/forks
Report repository	https://github.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2Fwangsuse%2Fleetcode&report=wangsuse+%28user%29
Releases	https://github.com/wangsuse/leetcode/releases
23 tags	https://github.com/wangsuse/leetcode/tags
Packages 0	https://github.com/users/wangsuse/packages?repo_name=leetcode
Please reload this page	https://github.com/wangsuse/leetcode
Contributors	https://github.com/wangsuse/leetcode/graphs/contributors
Please reload this page	https://github.com/wangsuse/leetcode
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.