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Amazon
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I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
Check if the string is equal to its reverse to determine if it is a palindrome.
Ignore spaces and punctuation when checking for palindromes.
Convert the string to lowercase to ensure case-insensitive comparison.
A prime number program checks if a given number is only divisible by 1 and itself.
Create a function that takes a number as input
Iterate from 2 to the square root of the number and check for divisibility
If the number is only divisible by 1 and itself, it is a prime number
Medium java question asked
I applied via Campus Placement
Average qos , duration 3 hours debug qos included
Array and string mostly: medium
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Amazon interview questions for designations
I applied via Careers and was interviewed before Apr 2023. There were 2 interview rounds.
Basic coding questions
Longest common sequence
Reverse a linked list by changing the direction of its pointers.
Iteratively swap the next and previous pointers of each node until the end is reached.
Recursively swap the next and previous pointers of each node until the end is reached.
Use a stack to push each node onto it and then pop them off in reverse order, changing the pointers as you go.
I have the technical skills, experience, and passion for solving complex problems that make me the ideal candidate for this role.
I have a strong background in technical support and troubleshooting.
I am skilled in diagnosing and resolving software and hardware issues.
I have excellent communication and interpersonal skills, allowing me to effectively communicate with customers and colleagues.
I am a quick learner and can ...
Find the pair element from the array
Iterate through the array and use a hashmap to store elements and their counts
Check if the current element's complement exists in the hashmap
Return the pair if found, otherwise return null
I was interviewed before May 2016.
I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React
Strong background in computer science with knowledge of data structures and algorithms
Proficient in programming languages such as Java, Python, and C++
Familiar with Agile development methodolog
Flipkart is a leading e-commerce platform in India with a strong focus on technology and innovation.
Flipkart offers a challenging and dynamic work environment for software engineers.
The company has a strong reputation for investing in technology and innovation.
Flipkart has a large user base and offers opportunities to work on a variety of projects.
The company has a strong focus on customer satisfaction and user experie...
Yes, I am comfortable with reallocating as needed.
I am flexible and adaptable to changing circumstances.
I have experience working in dynamic environments where priorities can shift.
I am willing to take on new challenges and responsibilities as required.
I have a strong technical background, excellent problem-solving skills, and a proven track record of delivering high-quality software.
Extensive experience in software development, including proficiency in multiple programming languages such as Java, Python, and C++
Strong problem-solving skills demonstrated through successful completion of complex projects
Proven track record of delivering high-quality software on time a...
Calculate the level sum of a binary tree.
Traverse the tree level by level using BFS
Add the values of nodes at each level
Store the level sum in an array
Return the array of level sums
Vertical sum of binary tree is the sum of all nodes in each vertical line of the tree.
Traverse the tree in-order and keep track of the horizontal distance of each node from the root.
Use a hash table to store the sum of nodes at each horizontal distance.
Recursively traverse the left and right subtrees and update the hash table accordingly.
Calculate top 10 frequently used words on Facebook in 1 hour dynamically.
Use Facebook API to fetch data
Implement a script to count word frequency
Sort the words based on frequency and return top 10
I am a software engineer with experience in developing web applications and a passion for problem-solving.
Proficient in programming languages such as Java, Python, and JavaScript
Experience with front-end frameworks like React and Angular
Familiarity with back-end technologies such as Node.js and Spring Boot
Strong understanding of data structures and algorithms
Ability to work collaboratively in a team environment
There are 204 squares and 1296 rectangles on a standard 8x8 chess board.
The number of squares can be calculated using the formula n(n+1)(2n+1)/6, where n is the number of rows/columns.
The number of rectangles can be calculated using the formula n(n+1)m(m+1)/4, where n and m are the number of rows and columns respectively.
For an 8x8 chess board, there are 64 squares of size 1x1, 49 squares of size 2x2, 36 squares of siz...
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