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Coding a frontend UI from provided image. And creating a fucntional star rating system
Designing a Component API in React using Typescript involves defining props, state, and methods for the component.
Define the props interface to specify the expected input data for the component
Use typescript types to ensure type safety and prevent runtime errors
Define the state interface to manage the internal state of the component
Implement methods to handle user interactions and component logic
Document the component ...
Function to clear all timer ids at once
Create an array to store all timer ids
Iterate through the array and clear each timer id using clearTimeout() function
Given a matrix of zeros and ones, find the minimum distance for each one to a zero.
Use breadth-first search (BFS) to find the minimum distance from each one to a zero.
Start by initializing a queue with all the zeros in the matrix.
While the queue is not empty, dequeue a zero and enqueue its neighboring ones.
Keep track of the distance from each one to the nearest zero.
Repeat until all ones have been visited.
Return the ma...
I applied via LinkedIn and was interviewed before Aug 2023. There were 3 interview rounds.
30mins aptitude test
90 mins coding test for 3 questions
I am choosing this role because of my passion for creating user-friendly and visually appealing websites.
Passion for front end development
Enjoy creating user-friendly interfaces
Excited about the creative aspect of web design
I am a dedicated and skilled front end developer with a passion for creating user-friendly interfaces.
I have a strong understanding of HTML, CSS, and JavaScript
I have experience with responsive design and cross-browser compatibility
I am proficient in using front end frameworks like React and Angular
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
What people are saying about Amazon
I appeared for an interview in Mar 2025, where I was asked the following questions.
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
There was an online coding test on signal consisting of leetcode easy medium and hard
I appeared for an interview before Dec 2020.
Round duration - 90 minutes
Round difficulty - Hard
This was an online coding round where we were supposed to solve 2 questions under 90 minutes . Both the questions in my set were related to Graphs and were quite tricky and heavy to implement.
Given a directed graph with a specified number of vertices V
and edges E
, your task is to calculate the total number of distinct paths from a given source node S
to all ot...
You are provided with a number of courses 'N', some of which have prerequisites. There is a matrix named 'PREREQUISITES' of size 'M' x 2. This matrix indicates that fo...
Round duration - 60 Minutes
Round difficulty - Medium
This was a Data Structures and Algorithms round with some standard questions . I was expected to come up with an
efficient approach and code it as well .
You are provided with 'N' intervals, each containing two integers denoting the start time and end time of the interval.
Your task is to merge all overlapping intervals a...
Given a 2-dimensional binary matrix called Mat
of size N x M that consists solely of 0s and 1s, find the length of the longest path from a specified source cell to a destina...
Find the length of the longest path from a source cell to a destination cell in a binary matrix.
Use depth-first search (DFS) to explore all possible paths from source to destination.
Keep track of visited cells to avoid revisiting them.
Return the length of the longest path found, or -1 if no path exists.
Round duration - 50 Minutes
Round difficulty - Medium
This was also a DSA round where I was asked to code only one of the questions but I eventually ended up coding both
as I had some spare time and explained my approches very smoothly to the interviewer . This round went preety well .
Given an array of integers with 'N' elements, determine the length of the longest subsequence where each element is greater than the previous element. This...
Given a rotated sorted array ARR
of size 'N' and an integer 'K', determine the index at which 'K' is present in the array.
1. If 'K' is not present...
Round duration - 50 Minutes
Round difficulty - Medium
This was also a DSA round with 2 questions of Medium to Hard difficulty . I was expected to follow some clean code and OOPS principles to write the code in this round .
Given an array of integers ARR
and an integer K
, determine the rank of the element ARR[K]
.
The rank of any element in ARR
is defined as the number of elem...
Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:
1. get(key)
- Return the value of the key if it exists in the cache; otherw...
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I appeared for an interview before Dec 2020.
Round duration - 60 Minutes
Round difficulty - Medium
This was a Data Structures and Algorithms round with preety good questions . I was expected to come up with an efficient approach and code it as well .
Your house is located at the origin (0,0) of a 2-D plane. There are N
neighbors living at different points on the plane. Your goal is to visit exactly K
neighb...
Given a sorted array of 'N' integers, your task is to generate the power set for this array. Each subset of this power set should be individually sorted.
A power set of a set 'ARR' i...
Round duration - 50 Minutes
Round difficulty - Hard
This was also a DSA round where I was asked to code only one of the questions but I eventually ended up coding both as I had some spare time and explained my approches very smoothly to the interviewer . This round went preety well .
Convert a string representing a Roman numeral into its integer equivalent and return the result.
Roman numerals are represented by seven different symbol...
Convert a Roman numeral string to its integer equivalent.
Create a mapping of Roman numeral symbols to their integer values.
Iterate through the input string and add the corresponding integer values.
Handle cases where subtraction is needed (e.g., IV = 4, IX = 9).
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Round duration - 50 Minutes
Round difficulty - Medium
This was also a DSA round with 2 questions . One was implementation heavy and the other was related to recursion and so I handled it carefully so that my code does not run into TLE or Segmentation Fault.
You are provided with a string expression
consisting of characters '+', '-', '*', '/', '(', ')' and digits '0' to '9', representing an arithmetic express...
You are given a sorted integer array ARR
of size N
. Your task is to remove the duplicates in such a way that each element appears only once. The outpu...
Remove duplicates from a sorted array in-place with O(1) extra memory.
Use two pointers - one for iterating through the array and another for placing unique elements.
Compare current element with next element to identify duplicates and skip them.
Update array in-place by moving unique elements to the front.
Return the length of the array after removal of duplicates.
Round duration - 50 Minutes
Round difficulty - Medium
This was a typical System Design round where I was asked about the various features of Facebook and what sort of data structures and algorithms are used in implementing them .
Facebook stores likes and dislikes using a combination of databases and algorithms.
Likes and dislikes are stored in databases such as MySQL or Cassandra.
Algorithms are used to analyze user behavior and recommend content based on likes and dislikes.
User interactions with posts, pages, and ads are tracked to determine likes and dislikes.
Likes and dislikes may also be used to personalize the user's feed and target ads mor...
Round duration - 50 Minutes
Round difficulty - Medium
This was a preety intense round as I was grilled more on my System Design concepts but eventually I was able to asnwers all the questions with some help from the interviewer.
Hadoop is a framework for distributed storage and processing of large data sets.
Hadoop is used for storing and processing big data across a distributed network of computers.
It is based on the MapReduce programming model, which allows for parallel processing of data.
Hadoop consists of HDFS for storage and YARN for resource management.
It is used for tasks like data warehousing, log processing, recommendation systems, and...
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
In first round they asked me 2 coding questions where he asked me to code as close as possible to the actual one.
Ninja is tasked with merging two given sorted integer arrays ARR1
and ARR2
of sizes 'M' and 'N', respectively, such that the merged result is a single sorted array w...
Given a document represented as an array/list ARR
of words with length N
, find the smallest distance between two given words for multiple queries. The distance is defined as the ...
Round duration - 60 minutes
Round difficulty - Easy
Then in the second round they asked a little about tree and told me to code 2 codes.
Given a binary tree of integers, return the level order traversal of the binary tree.
The first line contains an integer 'T', representing the number of te...
The problem requires implementing a function to return the level order traversal of a binary tree.
Implement a function that takes the root of the binary tree as input and returns the level order traversal of the tree.
Use a queue data structure to perform level order traversal.
Process each level of the tree one by one, starting from the root node.
Print the node values at each level in the order they appear from left to ...
Given an array of distinct positive integers ARR
and a non-negative integer 'B', find all unique combinations in the array where the sum is equal to 'B'. Numbers can be c...
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I appeared for an interview before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
This was a online test round where I was given 3 DSA questions to be solved in 60 minutes.
You are provided with a number of stairs, and initially, you are located at the 0th stair. You need to reach the Nth stair, and you can climb one or tw...
You are playing a coin game with your friend Ninjax. There are N
coins placed in a straight line.
Here are the rules of the game:
1. Each coin has a value associated wit...
Given an integer N
, your task is to create all possible valid parentheses configurations that are well-formed using N
pairs. A sequence of parentheses is considered w...
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
based on 6 interview experiences
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