How do you solve Amazon coding questions?

45 common Amazon coding interview questions

1. Find the missing number in the array.
2. Determine if the sum of two integers is equal to the given value.
3. Merge two sorted linked lists.
4. Copy linked list with arbitrary pointer.
5. Level Order Traversal of Binary Tree.
6. Determine if a binary tree is a binary search tree.

Why do companies ask for data structures and algorithms?

Data Structures and Algorithms are used to test the analytical skills of the candidates as they are a useful tool to pick out the underlying algorithms in real-world problems and solve them efficiently. Data Structures and Algorithms are the fundamentals of Software Development.

What is the point of coding interviews?

The purpose of the interview is to extract enough signal from a candidate to predict whether or not they would be successful on the job. If you had perfectly accurate predictions you could accept everyone who would be successful on the job, which would be great for companies and candidates.

Why data structure is important in programming?

Data structure provides the right way to organize information in the digital space. The data structure is a key component of Computer Science and is largely used in the areas of Artificial Intelligence, operating systems, graphics, etc.

What are the common operations performed on a data structure?

The possible operations on the linear data structure are: Traversal, Insertion, Deletion, Searching, Sorting and Merging. Examples of Linear Data Structure are Stack and Queue. Stack: Stack is a data structure in which insertion and deletion operations are performed at one end only.

How do you ask coding interview question?

1. String Programming Interview Questions

1. Write code to check a String is palindrome or not? (
2. Write a method which will remove any given character from a String? (
3. Print all permutation of String both iterative and Recursive way? (
4. Write a function to find out longest palindrome in a given string? (

Is experience enough to pass a coding interview at Amazon?

Experience is not enough to pass a coding interview at Amazon. I’ve recently conducted a mock interview for a candidate from New-York on mocki.co. He had more than 7 years of experience in Mobile development. He struggled to come up with a naive solution to my coding question.

What are the interview rounds like at Amazon?

Interview Rounds: Amazon conducts four interview rounds alongside an initial coding test. The coding test consists of DS/Algo problems. The first round is an HR round where they ask behavioral questions along with Computer Science theory questions to the candidate. The next three rounds focus solely on DS/Algo.

What happens after the phone interview at Amazon?

If you have successfully made it through the series of phone interviews, you’ll be invited for an on-site visit. At Amazon, this full day of on-site interviews is referred to as the “The Loop”. Throughout the day, you’ll meet with 4-6 people (your future teammates).

How to do well in a coding interview?

Walk the interviewer through the solution as if it was the first time you were looking at it. Or just be honest and say it. The interviewer may choose to keep the question or come with another one. Struggling during a coding interview is the goal expected when you are walking in a well-done interview.