About Leetcode Algorithm Coding, Jav
• Are you looking for a new job in tech industry but don't know how to prepare for Java coding/programming interview questions? • Would you like to improve your algorithm and data structures problem solving skills as a...
• Are you looking for a new job in tech industry but don't know how to prepare for Java coding/programming interview questions?
• Would you like to improve your algorithm and data structures problem solving skills as a software engineer?
• Do you have very little time to learn various algorithm problems?
• Are you afraid of forgetting the coding/programming interview questions and answers you have learnt previously?
APAS is here to help!
What is APAS?
APAS is short for algorithm problems and solutions. This coding/programming interview app helps you access and learn interview questions offline on an Android device anywhere anytime!
Currently it features algorithms and data structures interview problems from Leetcode. You can grasp how to answer Java coding interview questions easily with this APP as long as you know some Java basics!
Features
❤️
More than 400 most common Leetcode coding/programming interview questions on algorithms, data structures, and even system designs!
❤️ New Leetcode problems are updated every now and then and you will get notified!
❤️ Each Leetcode algorithms and data structures problem has a clean, detailed problem description and one or more Java solutions!
❤️ Each solution is syntax-highlighted with line number, and can expand to full screen!
❤️ Review a problem based on best spaced repetition intervals to gain long-term memory!
❤️ Mock interviews: generate a problem set as a quiz. Time's limited for each problem. Just like real coding interviews!
❤️ You can also mark a problem and read it later!
❤️ You can also take notes of a problem!
❤️ You are able to search any Leetcode problem quickly with its name or id!
❤️ Problems are categorized by different levels, various topics or companies that have asked them in real interviews before!
❤️ Dark theme support for less battery usage and long time reading at night!
❤️ One simple switch to turn on offline mode so that you are totally free from network!
All Java solutions are based on this popular Github repo that has close to 1500 stars! https://github.com/FreeTymeKiyan/LeetCode-Sol-Res
Some of the solutions are also available in python or c++!
If you have any feedbacks, please comment or send an email in the app or to
[email protected] . I will get back to you and address the issues ASAP.
List of data structures
• String
• Array
• Stack
• Queue
• Hash Table
• Map
• Linked List
• Heap
• Tree
• Trie
• Binary Indexed Tree
• Segment Tree
• Binary Search Tree
• Union Find
• Graph
• Geometry
List of algorithms
• Binary Search
• Divide and Conquer
• Recursion
• Dynamic Programming
• Memoization
• Backtracking
• Greedy
• Sorting
• Topological Sort
• Breadth-first Search
• Depth-first Search
• Reservoir Sampling
• Rejection Sampling
• Two pointers
• Bit Operations
• Minimax
• Random
Previous Versions
Here you can find the changelog of Leetcode Algorithm Coding, Jav since it was posted on our website on 2016-09-28 19:23:32.
The latest version is 5.2.2 and it was updated on 2024-04-22 10:00:00. See below the changes in each version.
Leetcode Algorithm Coding, Jav version 5.2.2
Updated At: 2020-12-25
Changes: Problems are similar to other problems in a way, such as 2 Sum, 3 Sum, 4 Sum... As you can probably tell from their names ;)
Now similar problems are here! You can check the similar problems of a problem in the dropdown top right when you are reading a problem, if there is at least one of them.
What a year! I finally got some more time-off to work on this APP again. Hope everyone is doing well! Please don't hesitate to rate and share the APP, just like you always have been doing. Thank you ^_^
Leetcode Algorithm Coding, Jav version 5.2.1
Updated At: 2020-07-09
Changes: Quick update to add a switch to turn rate bar notifications on/off.
I got some time-off recently and I've heard from many of you about the rate/share bar being annoying. This version add a switch for you to control it.
But I'd like to mention that, for independent developers, it's really important for users to help us spread the word. That's the most encouraging thing! Please don't hesitate to rate and share the APP, just like you guys have been always doing. Thank you ^_^
Leetcode Algorithm Coding, Jav version 5.2.0
Updated At: 2020-03-09
Changes: Update: Mock interview by a company!
Choose a company and number of problems each level to create your own company interview mock!
This is a more practical mock type comparing to mock by topics. Mock by topics verifies your ability to tackle some kinds of algorithm problems. While mock by company increases your level of confidence when you are preparing for a specific company.
5 stars if you like it!
Leetcode Algorithm Coding, Jav version 5.1.0
Updated At: 2020-02-10
Changes: Improvements:
1. Problem page now shows topics and companies in chips in dialogs. You can click on a chip to see other problems of the same topic or company.
2. Correct server error messages. One previous server failure is fixed. Server has been running fine since. Monitoring is also added. If anything is unresponsive, I will be notified within a minute.
I know you guys love the last version. Thanks for all your support! More features are on the way!
As always, 5 stars if you like it!
Leetcode Algorithm Coding, Jav version 4.0.0
Updated At: 2019-11-03
Changes: Major new feature: Mock Interview!
After all the learning and reviewing, how do we verify if we have grasped an algorithm or not? By doing mocks!
Mock interview gives you a random problem set as a quiz. Just like a real interview, there is a time limit for each problem. And you need to come up with a solution within that period.
If it's a bit hard, no worries, just practice more and you'll get there. If you feel mocks are easy, then congrats! Be confident with any coding interviews!
Leetcode Algorithm Coding, Jav version 3.1.0
Updated At: 2019-10-07
Changes: Review Alarm! Now Review Alarm has been added in Settings for you to organize your review schedule.
Review is a new unique APAS feature added to help you apply Spaced Repetition to the problems you've learnt and gain long-term memory. It's crucial to review every now and then. And it's even more critical when we're learning new problems at the same time. Otherwise we'd forget what we've learnt easily.
5 stars if you like it!
Leetcode Algorithm Coding, Jav version 3.0.0
Updated At: 2019-09-30
Changes: Major feature update: Review!
Review is a new unique APAS feature added to help you turn the problems you've learnt into long-term memory! Now you can add a problem to review, review it from time to time, and track the progress. This feature is designed based on Spaced Repetition, a famous learning hack to fight against human memory decay. You will revisit the problem 4 times in a month to complete a review cycle. It will help you grasp a problem completely!
5 stars if you like it!
Leetcode Algorithm Coding, Jav version 3.0.0
Updated At: 2019-09-30
Leetcode Algorithm Coding, Jav version 2.6.0
Updated At: 2019-09-03
Changes: A bunch of great new features in Solution:
1. Setting font size: small, medium and large
2. Changing orientation: vertical or horizontal
3. Code share: copy code from the solution and share
Also fix the issue that a blank notification may show up after upgrade.
Thanks to Tran, Ali, Cjckjc for the great feedback! APAS thrives on great users like you guys!
5 stars if you like it!
Leetcode Algorithm Coding, Jav version 1.1.5
Updated At: 2017-07-30
Changes: Support Android 8.0.
Fix crash.
Disclaimer
Official Google Play Link
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