Educative

Topic	Replies	Views	Activity
Dark mode for all content! Courses grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	153	December 11, 2020
Does anyone else feel the input test cases could be better? Courses triplet-sum-close-to-target-medium__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	73	January 2, 2021
Why is the time complexity O(n^3) shouldn't it be O(n^2)? Courses subarrays-with-product-less-than-a-target-medium__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	6	242	October 24, 2020
Missing Details Courses designing-facebook’s-newsfeed__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	90	May 22, 2020
Doesn't sharding on LocationID mean that every node will be a hot node? Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	87	August 3, 2020
Missing Database Schema Courses designing-youtube-or-netflix__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	102	May 30, 2020
Detailed design diagram - missing an arrow? Courses designing-uber-backend__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	83	May 19, 2020
I'm worried about using the trie and some statements in the article Courses designing-typeahead-suggestion__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	42	October 25, 2020
Can't understand why we don't calculate the maxRepeating for each window Courses longest-substring-with-same-letters-after-replacement-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	5	119	December 21, 2020
Load Balancer Vs API gateway Courses load-balancing__glossary-of-system-design-basics__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	324	June 15, 2020
Why store pastebin contents in object-storage (S3) instead of the RDBMS table? Courses designing-pastebin__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	271	May 21, 2020
Explain Runtime Please Courses palindromic-partitioning__pattern-4-palindromic-subsequence__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	4	131	October 20, 2020
Choosing Cassandra over others. Why? And some general doubts -Designing Instagram Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	7	378	September 26, 2020
Design a Payment System Courses contact-us__appendix__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	95	June 26, 2020
SOAP vs REST, what about other options? what about internal communication? Courses designing-facebook’s-newsfeed__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	82	March 22, 2020
A mistake in the complexity calculations? Courses subsets-easy__pattern-subsets__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	88	October 24, 2020
This is copied word by word from York university paper Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	168	January 1, 2021
Cant Wrap my head around the Logic Courses longest-subarray-with-ones-after-replacement-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	151	June 18, 2020
Alternate solution Courses solution-review-array-of-products-of-all-elements__introduction-to-arrays__data-structures-for-coding-interviews-in-javascript , data-structures-for-coding-interviews-in-javascript__coderust	1	59	January 29, 2020
Why not use geohash algorithm for this exercise? Courses designing-yelp-or-nearby-friends__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	139	January 13, 2021
No mention of the UserPhoto table Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	35	November 4, 2020
TweetID data size Courses designing-twitter-search__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	67	October 10, 2020
Length attribute in linked list Courses length__singly-linked-lists__data-structures-and-algorithms-in-python , data-structures-and-algorithms-in-python__vincent-russo	3	120	February 18, 2020
No-repeat substring answer key Courses grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	49	August 24, 2020
Sharding by creation time/epoch - why hot spots? And using the combo ID, why do we not need to filter by creation time? Courses designing-twitter__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	162	February 6, 2020
Can you open up access to the tests on the "Try it yourself" Portions? I'd like to add several more tests to most of the questions Courses solution-review-problem-challenge-4__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	19	November 22, 2020
Reusing expired keys Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	43	October 29, 2020
Location updates from 1million drivers Courses designing-uber-backend__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	134	March 25, 2020
Missing a lot of things Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	151	January 2, 2021
For loops in Python Courses reverse-string__stack__data-structures-and-algorithms-in-python , data-structures-and-algorithms-in-python__vincent-russo	2	78	February 15, 2020
Please elaborate the left and right shift Courses bitwise-operators__data-types-and-variables__learn-python-3-from-scratch , learn-python-3-from-scratch__educative	1	112	January 21, 2020
Using super() and this() in a constructor Courses super-keyword__inheritance__learn-object-oriented-programming-in-java , learn-object-oriented-programming-in-java__educative	2	156	January 24, 2020
Fibonacci Sequence Courses exercise-2-fibonacci-sequence-upto-n-number-of-terms__loops__learn-c-from-scratch , learn-c-from-scratch__educative	3	112	February 10, 2020
Need help about recursive function question's solution Courses quick-quiz-on-functions__functions__learn-php-from-scratch , learn-php-from-scratch__educative	4	110	February 17, 2020
How does choosing some other characters out of the base64 encoded string other than the first 6 letters resolve key duplication? Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	90	March 31, 2020
How is this different from the coin change problem? Courses number-factors__pattern-3-fibonacci-numbers__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	86	February 1, 2020
Admin , Account composition Courses design-amazon-online-shopping-system__object-oriented-design-case-studies__grokking-the-object-oriented-design-interview , grokking-the-object-oriented-design-interview__design-gurus	1	84	January 17, 2020
Difference between using PostgreSQL and Elastic Search? Courses designing-facebook-messenger__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	2	247	April 20, 2020
What is the need of such a complicated solution using Deque? Courses find-maximum-in-sliding-window__arrays__coderust-hacking-the-coding-interview , coderust-hacking-the-coding-interview__coderust	1	75	September 14, 2020
Instagram Data Storage - Why not a Graph database? Courses designing-instagram__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	3	78	October 28, 2020
Is this original content or some credit is due? Courses designing-dropbox__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	1	74	May 17, 2020
Doubt on the following problem Courses recursion__functions__learn-python-3-from-scratch , learn-python-3-from-scratch__educative	5	314	December 20, 2020
How KGS will handle collisions? Courses designing-a-url-shortening-service-like-tinyurl__system-design-problems__grokking-the-system-design-interview , grokking-the-system-design-interview__design-gurus	7	175	December 21, 2020
Quiz Q1: Why would List and Search, both children of App not be siblings? Courses meet-another-react-component__fundamentals-of-react__the-road-to-react-the-one-with-hooks , the-road-to-react-the-one-with-hooks__robin-wieruch	2	42	July 31, 2020
Confused about the inner loop Courses solution-review-big-o-of-nested-loop-with-multiplication__introduction-to-complexity-measures__data-structures-for-coding-interviews-in-c , data-structures-for-coding-interviews-in-c__coderust	3	73	March 19, 2020
No answers for 2nd and 3rd question Courses permutations__recursive__big-o-notation-for-coding-interviews-and-beyond , big-o-notation-for-coding-interviews-and-beyond__c-h-afzal	1	63	March 14, 2020
Learn Python from Scratch Courses executing-python-code__appendix__learn-python-3-from-scratch , learn-python-3-from-scratch__educative	2	84	April 16, 2020
For example {2,3,4,5}, should the answer be 2 Courses minimum-jumps-with-fee__pattern-3-fibonacci-numbers__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	58	May 2, 2020
A slightly simpler and a bit more optimized solution Courses solution-review-problem-challenge-1__pattern-two-heaps__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	3	65	December 20, 2020
Memoization Approach Courses 01-knapsack__pattern-1-01-knapsack__grokking-dynamic-programming-patterns-for-coding-interviews , grokking-dynamic-programming-patterns-for-coding-interviews__design-gurus	1	60	July 13, 2020