Topics tagged grokking-the-coding-interview-patterns-for-coding-questions_

Topic	Replies	Views	Activity
Quadruple Sum to Target (medium) Courses solution-review-problem-challenge-1__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	1	August 7, 2020
My Solution Needs No HashMap Courses no-repeat-substring-hard__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	2	43	August 5, 2020
Reverse linked list Courses reverse-a-linkedlist-easy__pattern-in-place-reversal-of-a-linkedlist__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	11	August 3, 2020
Slow, fast pointers not really necessary in the O(n) solution Courses solution-review-problem-challenge-3__pattern-fast-slow-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	14	May 24, 2020
Why did we use base64 encoding after hashing (using md5) the URL. Can we not use the characters from the 128 bit hash value? Courses longest-substring-with-k-distinct-characters-medium__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	35	August 4, 2019
Integer.MAX_VALUE edge case? Courses smallest-subarray-with-a-given-sum-easy__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	46	November 21, 2019
0/1 Knapsack (Dynamic Programming) - Subset Sum (medium) Courses subset-sum-medium__pattern-01-knapsack-dynamic-programming__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	30	August 19, 2019
Code of solution with searching for non-negative number Courses squaring-a-sorted-array-easy__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	28	August 18, 2019
Nvm delete this please 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	1	58	August 18, 2019
How does reversing the second half of the LinkedList bring the LinkedList back to its original form Courses solution-review-problem-challenge-1__pattern-fast-slow-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	28	May 21, 2020
Optimized version following solution of Problem Challenge 1 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	104	July 12, 2019
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	1	16	May 29, 2020
Incorrect solution for Reverse every K-element Sub-list Courses reverse-every-k-element-sub-list-medium__pattern-in-place-reversal-of-a-linkedlist__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	28	March 24, 2020
Could you update the non-negative number solution Courses squaring-a-sorted-array-easy__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	26	February 10, 2020
How can we modify two heap approach to handle negative numbers Courses find-the-median-of-a-number-stream-medium__pattern-two-heaps__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	35	March 2, 2020
Question about the time complexity Courses kth-smallest-number-in-a-sorted-matrix-hard__pattern-k-way-merge__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	15	May 13, 2020
Why is the space complexity of the sliding window solution O(1)? Courses maximum-sum-subarray-of-size-k-easy__pattern-sliding-window__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	19	March 2, 2020
Guys, why it is not neccesery to do 'push()' operation in 'pop()' method Courses solution-review-problem-challenge-3__pattern-top-k-elements__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	18	March 14, 2020
Easier solution 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	1	34	June 3, 2020
This can be done in O(N^2LogN) with O(N^2) space Courses solution-review-problem-challenge-1__pattern-two-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	18	May 20, 2020
Isn't my algorithm O(N) time complexity for All Paths for a Sum? Compare to O(N lgN) of given solution (i.e. why backtracking is preferred, when we can solve in O(N)?) Courses all-paths-for-a-sum-medium__pattern-tree-depth-first-search__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	108	August 10, 2019
Isn't it more efficient to solve with dictionary/hashmap? Courses happy-number-medium__pattern-fast-slow-pointers__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	18	May 6, 2020
Is the Example 2 wrong? Courses problem-challenge-2__pattern-in-place-reversal-of-a-linkedlist__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	49	October 4, 2019
Time complexity should be O(n+n) = O(n) Courses solution-review-problem-challenge-3__pattern-cyclic-sort__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	26	March 19, 2020
Start from sink, more order are valid Courses topological-sort-medium__pattern-topological-sort-graph__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	41	January 13, 2020
Solution does not work if an employee E1 has two intervals before E2 - EDIT: It works Courses solution-review-problem-challenge-3__pattern-merge-intervals__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	47	January 12, 2020
Runtime Complexity Courses kth-largest-number-in-a-stream-medium__pattern-top-k-elements__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	12	June 18, 2020
Are all the examples OK here? Courses problem-challenge-1__pattern-top-k-elements__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	38	October 12, 2019
Max Heap initialization (reverse order comparator) Courses sliding-window-median-hard__pattern-two-heaps__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	67	January 11, 2020
Do we need DP here? Courses minimum-subset-sum-difference-hard__pattern-01-knapsack-dynamic-programming__grokking-the-coding-interview-patterns-for-coding-questions , grokking-the-coding-interview-patterns-for-coding-questions__design-gurus	1	42	January 10, 2020