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I appeared for an interview in Feb 2021.
Round duration - 70 Minutes
Round difficulty - Medium
Timing was 9:15AM. Platform was not very good. Questions were not well explained.
Given a specified number of intervals, where each interval is represented by two integers denoting its boundaries, the task is to merge all overlapping interv...
Merge overlapping intervals and return sorted list of merged intervals.
Identify overlapping intervals based on start and end times
Merge overlapping intervals to form new intervals
Sort the merged intervals in ascending order of start times
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...
Find all possible paths for a rat in a maze to reach its destination, given a matrix representation of the maze.
Use backtracking to explore all possible paths from the starting position to the destination.
Keep track of the current path and explore all possible directions at each step.
Terminate the exploration when reaching the destination or hitting a blocked cell.
Return the list of valid paths found, sorted in alphabe
Given a string STR
consisting of lowercase English letters, your task is to return all permutations of the given string in lexicographically increasing order.
Return all permutations of a given string in lexicographically increasing order.
Generate all permutations of the given string using backtracking algorithm.
Sort the permutations lexicographically before printing them.
Ensure the string contains unique characters for correct output.
Handle multiple test cases efficiently.
Example: For input 'bca', output 'abc acb bac bca cab cba'.
Tip 1 : Prepare maximum algorithms.
Tip 2 : Deep knowledge of data structure.
Tip 3 : OOPS is must.
Tip 1 : Keep it short.
Tip 2 : Mention only your own projects.
I appeared for an interview in Feb 2021.
Round duration - 70 minutes
Round difficulty - Medium
Timing was 9:15AM. Platform was not very good. Questions were not well explained.
Given a specified number of intervals, where each interval is represented by two integers denoting its boundaries, the task is to merge all overlapping interv...
Merge overlapping intervals and return sorted list of merged intervals.
Identify overlapping intervals based on start and end times
Merge overlapping intervals to form new intervals
Sort the merged intervals in ascending order of start times
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...
Find all possible paths for a rat in a maze from source to destination.
Use backtracking to explore all possible paths in the maze.
Keep track of visited cells to avoid revisiting them.
Recursively try moving in all directions (up, down, left, right) until reaching the destination.
Return the valid paths as a list of strings sorted in alphabetical order.
Tip 1 : Prepare maximum algorithms.
Tip 2 : Deep knowledge of data structure.
Tip 3 : OOPS is must.
Tip 1 : Keep it short.
Tip 2 : Mention only your own projects.
I appeared for an interview in Dec 2020.
Round duration - 120 minutes
Round difficulty - Easy
Given an array of integers ARR
of length N
and an integer Target
, your task is to return all pairs of elements such that they add up to the Target
.
The first line ...
Given an array of integers and a target, find all pairs of elements that add up to the target.
Iterate through the array and for each element, check if the target minus the element exists in a hash set.
If it exists, add the pair to the result. If not, add the element to the hash set.
Handle cases where the same element is used twice in a pair.
Return (-1, -1) if no pair is found.
Tip 1 : Have projects on your resume.
Tip 2 : Good to have internships
Tip 3 : Practice a lot
Tip 1 : Have good projects
Tip 2 : Have knowledge of everything you wrote
I applied via Company Website and was interviewed before Sep 2019. There were 5 interview rounds.
I appeared for an interview before May 2021.
Round duration - 60 Minutes
Round difficulty - Easy
It was an coding round
Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...
Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.
Iterate through the buildings and create a list of critical points (x, y) where the height changes.
Sort the critical points based on x-coordinate and process them to form the skyline.
Merge consecutive horizontal segments of equal height into one to ensure no duplicates.
Return the fin...
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...
Find all possible paths for a rat in a maze from source to destination.
Use backtracking to explore all possible paths in the maze.
Keep track of visited cells to avoid revisiting them.
Recursively try moving in all directions (up, down, left, right) until reaching the destination.
Return a list of strings representing valid paths sorted in alphabetical order.
Round duration - 30 Minutes
Round difficulty - Easy
It was an HR round with some general questions. it was just for formality.
Tip 1 : Stay focused
Tip 2 : Practice coding questions.
Tip 3 : View previous interviews of the companies
Tip 1 : Don't lie on resume
Tip 2 : Just write in format that is catchy
I applied via LinkedIn and was interviewed before May 2021. There were 2 interview rounds.
var, let, and const are all used to declare variables in JavaScript, but they have different scoping rules and behaviors.
var has function scope and can be redeclared and reassigned
let has block scope and can be reassigned but not redeclared
const has block scope and cannot be reassigned or redeclared
Use const for values that won't change, let for values that will, and avoid var
CSS box model defines the layout of elements on a webpage. Padding and margin can apply to block-level elements but not to inline elements.
CSS box model consists of content, padding, border, and margin around an element.
Padding adds space inside the border of an element.
Margin adds space outside the border of an element.
Padding and margin can apply to block-level elements like <div> but not to inline elements lik
Arrow functions are shorter syntax for writing function expressions.
Arrow functions do not have their own 'this' keyword.
Arrow functions cannot be used as constructors.
Arrow functions do not have the 'arguments' object.
Arrow functions are more concise and easier to read.
Regular functions are better for methods and constructors.
JavaScript asynchronous model allows non-blocking code execution by using callbacks and promises.
JavaScript uses an event loop to handle asynchronous operations.
Callbacks are functions passed as arguments to other functions and executed when the operation is complete.
Promises are objects that represent the eventual completion or failure of an asynchronous operation.
Async/await is a newer syntax that allows writing asyn...
Basic coding and MySQL queries. Like Types of join, having and where difference etc.
I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
Python technical SQL basic
I applied via Job Portal
Medium to hard level DSA from leetcode
Medium to hard level DSA from leetcode
I applied via Naukri.com and was interviewed before Oct 2023. There was 1 interview round.
Check if a string is the same forwards and backwards
Iterate through the string from both ends and compare characters
Use built-in functions like reverse() to check for palindrome
Ignore spaces and punctuation when checking for palindrome
based on 1 review
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