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Pluralsight Interview Questions and Answers
6 Interview questions
Binary heap is used to implement a priority queue.
Binary heap is a complete binary tree where each node has a value greater than or equal to its children.
It can be implemented using arrays, where the parent of node at index i is at index (i-1)/2.
Insertion and deletion operations have time complexity of O(log n) in a binary heap.
A binary tree can have any number of nodes, but the maximum number of trees with n nodes is 2^n.
A binary tree can have 0 nodes, 1 node, 2 nodes, or any number of nodes.
The maximum number of binary trees with n nodes is 2^n.
For example, a binary tree with 3 nodes can have up to 8 different structures.
Bubble sort has a time complexity of O(n^2) in the worst case scenario.
Bubble sort compares adjacent elements and swaps them if they are in the wrong order.
It continues to iterate through the array until no more swaps are needed.
The worst case time complexity of bubble sort is O(n^2) where n is the number of elements in the array.
Example: If we have an array of 5 elements, bubble sort would take 25 comparisons in ...
React's virtual DOM is a lightweight copy of the actual DOM, used for efficient updates and rendering.
Virtual DOM is a representation of the actual DOM in memory.
React compares the virtual DOM with the actual DOM to determine the minimal changes needed for updates.
Changes are then batched and applied to the actual DOM for efficient rendering.
Implement a sorting algorithm for numbers in JavaScript.
Use built-in methods like sort() for simplicity.
Consider the time complexity of the sorting algorithm used.
Handle edge cases like empty arrays or arrays with only one element.
Creating custom hook, explaining virtual DOM, sorting an array in React
To create a custom hook in React, you can define a function that starts with 'use' and can be reused across components.
React's virtual DOM is a lightweight copy of the actual DOM, which allows React to efficiently update the real DOM.
To sort an array in JavaScript, you can use the built-in 'sort' method or write a custom sorting function.
Pluralsight Interview Experiences
10 interviews found
Anonymous
(2 Questions)
- Q1. What data structure is used to implement a priority queue?
- Ans.
Binary heap is used to implement a priority queue.
Binary heap is a complete binary tree where each node has a value greater than or equal to its children.
It can be implemented using arrays, where the parent of node at index i is at index (i-1)/2.
Insertion and deletion operations have time complexity of O(log n) in a binary heap.
- Q2. How many trees will a binary tree have?
- Ans.
A binary tree can have any number of nodes, but the maximum number of trees with n nodes is 2^n.
A binary tree can have 0 nodes, 1 node, 2 nodes, or any number of nodes.
The maximum number of binary trees with n nodes is 2^n.
For example, a binary tree with 3 nodes can have up to 8 different structures.
(2 Questions)
- Q1. SQL Query to return the second highest marks in a student database
- Ans.
Use a SQL query to find the second highest marks in a student database.
Use the ORDER BY clause to sort the marks in descending order
Use the LIMIT clause to limit the result to the second row
- Q2. Program to check if two strings are anagrams
- Ans.
Program to check if two strings are anagrams
Create a function that takes in two strings as input
Remove any spaces and convert both strings to lowercase for consistency
Sort the characters in both strings and compare if they are equal to determine if they are anagrams
Example: 'listen' and 'silent' are anagrams
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Apr 2024. There were 4 interview rounds.
(1 Question)
- Q1. About yourself and your accomplishment Sales case study or situation Technical questions - domain related
(1 Question)
- Q1. Technical questions about the domain Sales acumen Personality test
Cognitive & Behaviour assessment
(1 Question)
- Q1. Setting the right expectation Culture fit
Interview Preparation Tips
2. Prepare well for the assessment
Murli Manohar
(1 Question)
- Q1. 2 sum problem, react basic questions
I appeared for an interview in Jan 2024.
It is a basic aptitude test in which they give material just practice those
(2 Questions)
- Q1. Sorting numbers js problem
- Ans.
Implement a sorting algorithm for numbers in JavaScript.
Use built-in methods like sort() for simplicity.
Consider the time complexity of the sorting algorithm used.
Handle edge cases like empty arrays or arrays with only one element.
- Q2. Reactjs questions problem
Skills evaluated in this interview
Selected
I applied via Instahyre and was interviewed in Apr 2023. There were 4 interview rounds.
(2 Questions)
- Q1. All about previous experience.
- Q2. Communication techniques.
(2 Questions)
- Q1. Technical questions on product ownership and general methods and frameworks of product management.
- Q2. Management frameworks
Mathematical and aptitude questions
Interview Preparation Tips
- Product Management
- Scrum
- Agile
- Leadership
- Communication Skills
Reasoning, maths, pattern etc
(1 Question)
- Q1. Time complexity of bubble sort algorithm
- Ans.
Bubble sort has a time complexity of O(n^2) in the worst case scenario.
Bubble sort compares adjacent elements and swaps them if they are in the wrong order.
It continues to iterate through the array until no more swaps are needed.
The worst case time complexity of bubble sort is O(n^2) where n is the number of elements in the array.
Example: If we have an array of 5 elements, bubble sort would take 25 comparisons in the w...
(1 Question)
- Q1. Project related questions
Skills evaluated in this interview
Selected
I appeared for an interview before Feb 2024.
Had a take home coding test
(2 Questions)
- Q1. Python questions were asked
- Q2. Django questions were asked
(2 Questions)
- Q1. Basic HR questions were asked
- Q2. Salary discussion was done
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Sep 2023. There were 2 interview rounds.
Simple 30-question 30-minute general aptitude test (entry-level)
(1 Question)
- Q1. General discussion about projects created. Tech stack selection and other project related questions
Interview Preparation Tips
- React.Js
- Node.Js
- Javascript
- Postgresql
M.HAFEEZ
Selected
I applied via Approached by Company and was interviewed in Aug 2022. There were 4 interview rounds.
Mathematical and spatial reasoning.
(1 Question)
- Q1. Technical interview with your manager
(1 Question)
- Q1. Technical interview with the director
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Apr 2023. There was 1 interview round.
(3 Questions)
- Q1. Create cusom hook in react Explain react's virtual DOM Sort an array
- Ans.
Creating custom hook, explaining virtual DOM, sorting an array in React
To create a custom hook in React, you can define a function that starts with 'use' and can be reused across components.
React's virtual DOM is a lightweight copy of the actual DOM, which allows React to efficiently update the real DOM.
To sort an array in JavaScript, you can use the built-in 'sort' method or write a custom sorting function.
- Q2. Explain React's virtual DOM
- Ans.
React's virtual DOM is a lightweight copy of the actual DOM, used for efficient updates and rendering.
Virtual DOM is a representation of the actual DOM in memory.
React compares the virtual DOM with the actual DOM to determine the minimal changes needed for updates.
Changes are then batched and applied to the actual DOM for efficient rendering.
- Q3. Sort elements of an array
- Ans.
Sort elements of an array of strings
Use a sorting algorithm like quicksort, mergesort, or bubblesort
Ensure the sorting algorithm is implemented correctly for strings
Consider using built-in sorting functions in programming languages like sort() in Python
Interview Preparation Tips
- React.Js
- Node.Js
- Javascript
- Postgresql
Skills evaluated in this interview
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