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How to solve coding question asked in amazon

Challenges • Last reply from Jake from AlgoDaily at December 16, 2020 at 1:58PM UTC

https://leetcode.com/discuss/interview-question/951689/SDE-1-online-test-Question

2 posts

Using Map Filter and Reduce in Code (Main Thread)

General • Last reply from Jake from AlgoDaily at December 15, 2020 at 1:04PM UTC

This is the main discussion thread generated for Using Map Filter and Reduce in Code .

1 post

What is Bottom-Up Dynamic Programming? (Main Thread)

General • Last reply from Jake from AlgoDaily at December 9, 2020 at 11:37PM UTC

This is the main discussion thread generated for What is Bottom-Up Dynamic Programming? .

1 post

Big O Notation Cheat Sheet (Main Thread)

General • Last reply from Jake from AlgoDaily at December 8, 2020 at 12:24PM UTC

This is the main discussion thread generated for Big O Notation Cheat Sheet .

1 post

Arrow Functions in Javascript/Typescript (Main Thread)

General • Last reply from Jake from AlgoDaily at December 6, 2020 at 7:49PM UTC

This is the main discussion thread generated for Arrow Functions in Javascript/Typescript .

1 post

Data Modeling Cheat Sheet (Main Thread)

General • Last reply from Jake from AlgoDaily at December 6, 2020 at 10:28AM UTC

This is the main discussion thread generated for Data Modeling Cheat Sheet .

1 post

Object Oriented Programming Interview Questions (Main Thread)

General • Last reply from Jake from AlgoDaily at December 4, 2020 at 5:55PM UTC

This is the main discussion thread generated for Object Oriented Programming Interview Questions .

1 post

Max Of Min Pairs - Python Question

Challenges • Last reply from Jake from AlgoDaily at December 1, 2020 at 1:27AM UTC

Shouldn't the second test return 7? Link to problem: Max Of Min Pairs .

2 posts

Count The Planes - Javascript Question

Challenges • Last reply from Anonymous at September 20, 2020 at 12:00AM UTC

Hey David, one way around it is, you can define planeMatrix1 in your code, and copy over one of the example test until they fix the issue. Link to problem: Count The Planes .

1 post

Solving The Target Sum Problem With Dp And More - Step Two 2 Question

General • Last reply from Anonymous at August 25, 2020 at 12:00AM UTC

Why doesn't this sample run correctly? I'm getting an error Main.java:1 error: class Solution is public, should be declared in a file named Solution.java Link to problem: Solving The Target Sum Problem With Dp And More .

1 post

Binary Tree Inorder Traversal (Main Thread)

Challenges • Last reply from Jake from AlgoDaily at August 24, 2020 at 12:00AM UTC

This is the main discussion thread generated for Binary Tree Inorder Traversal .

8 posts

Design A Least Recently Used Lru Cache (Main Thread)

Challenges • Last reply from Anonymous at August 23, 2020 at 12:00AM UTC

This is the main discussion thread generated for Design A Least Recently Used Lru Cache .

2 posts

Understanding Big O And Algorithmic Complexity (Main Thread)

General • Last reply from Jake from AlgoDaily at August 16, 2020 at 12:00AM UTC

This is the main discussion thread generated for Understanding Big O And Algorithmic Complexity .

7 posts

How To Prepare For A Technical Interview (Main Thread)

General • Last reply from Carlos at August 14, 2020 at 12:00AM UTC

This is the main discussion thread generated for How To Prepare For A Technical Interview .

3 posts

Majority Element - Python - Description Question

Challenges • Last reply from abrar at August 5, 2020 at 12:00AM UTC

the solution mentinons sorting ). instead we can use dictionary/hashmap sorting in O, n = number of elements searching for majority element O at worst case, m = number of keys of dictionary where m < n overall we are doing it in O, linear time `d...

1 post

Implement A Binary Search Tree (Main Thread)

Challenges • Last reply from Jake from AlgoDaily at August 2, 2020 at 12:00AM UTC

This is the main discussion thread generated for Implement A Binary Search Tree .

5 posts

A Beginners Reference To Sql Vs Nosql (Main Thread)

General • Last reply from Anonymous at July 28, 2020 at 12:00AM UTC

This is the main discussion thread generated for A Beginners Reference To Sql Vs Nosql .

2 posts

A Gentle Refresher Into Arrays And Strings - Data Type 13 Question

General • Last reply from Anonymous at July 27, 2020 at 12:00AM UTC

The above statement seems to contradict with what's said on slide 4 (Types In An Array )... Arrays are classified as a homogeneous data structure because all the elements in an array must be of the same type Link to problem: A Gentle Refresher Int...

1 post

Two Sum - Java Question

Challenges • Last reply from Anonymous at July 4, 2020 at 12:00AM UTC

I still don't get it why using a hashMap? Link to problem: Two Sum .

1 post

Array Intersection - Java Question

Challenges • Last reply from Anonymous at July 2, 2020 at 12:00AM UTC

[deleted] Link to problem: Array Intersection .

1 post

Treats Distribution (Main Thread)

Challenges • Last reply from Benji Haller at June 7, 2020 at 12:00AM UTC

This is the main discussion thread generated for Treats Distribution .

3 posts

Find The Intersection Of Two Linked Lists - Python Question

Challenges • Last reply from Yovel Cohen at May 11, 2020 at 12:00AM UTC

You don't specify what list1 and list 2 are. Are they regular lists? or linked list, and if so, What's their implementation, is it class? Link to problem: Find The Intersection Of Two Linked Lists .

1 post

Linked List To Binary Search Tree - Javascript Question

Challenges • Last reply from Anonymous at April 26, 2020 at 12:00AM UTC

// 9 -> -2 -> 3 -> 5 -> 9 Missing first - sign! Should be: // -9 -> -2 -> 3 -> 5 -> 9 Link to problem: Linked List To Binary Search Tree .

1 post

Next Larger In A Circular Array - Javascript Question

Challenges • Last reply from Anonymous at April 10, 2020 at 12:00AM UTC

The array in the diagram contains chars as well as numbers. This is confusing. Link to problem: Next Larger In A Circular Array .

1 post

Split Set To Equal Subsets - Javascript Question

Challenges • Last reply from Anonymous at April 10, 2020 at 12:00AM UTC

"Both subsets sum to 19 and are equal." - sure this should be 21? Link to problem: Split Set To Equal Subsets .

1 post

Sorted Two Sum - Javascript Question

Challenges • Last reply from Anonymous at April 10, 2020 at 12:00AM UTC

Could this also be implemented as a binary search in O) time? Link to problem: Sorted Two Sum .

1 post

Treats Distribution - Javascript Question

Challenges • Last reply from Anonymous at April 9, 2020 at 12:00AM UTC

Why do we need to sort the array? Just keep adding the values into a set and then take the min of the size of the set and n /2 . Should be O time complexity - no? Link to problem: Treats Distribution .

1 post

Least Missing Positive Number - Javascript Question

Challenges • Last reply from Anonymous at April 9, 2020 at 12:00AM UTC

So, what happens when the array contains a value greater than the length of the array? It would be useful if the problem statement actually specified that. Similarly, that there could be many missing positive integers, or only one. Link to problem...

1 post

Lonely Number - Python Question

Challenges • Last reply from Anonymous at April 9, 2020 at 12:00AM UTC

Stritcly speaking ins't the hasmap solution also O space complexity? The unique values in the array are the numbers base 10 so there are only max 10 entries in the map. Space complexity of O is the same as O as it doesn't vary with the length of t...

1 post

Majority Element - Python Question

Challenges • Last reply from Anonymous at April 9, 2020 at 12:00AM UTC

Is it not possible to create a O solution? By creating a hashmap where the keys are the digits and the values are the number of times that the digits appear, and then looking for the hashmap value that is greater than n / 2? By using a sort you a...

1 post