Amazon Software Developer Intern Interview Questions, Process, and Tips

The first round comprised of 4 sections online questions including aptitude, logical, Coding questions, and technical portions (Test Duration: 90 mins):

Debugging: We had to choose a language and debug up to 7 questions most probably. Codes were very basic like sorting, etc. I completed 6 of them.

Coding: There were two medium-hard level questions.

Work-style Assessment: Just try to answer as an ideal employee. Make sure you answers don’t contradict each other.

Aptitude: Around 25 questions.

Q1. Find diameter of tree
Add your answer
Q2. Count inversion
Add your answer

Q1. Find n’th node from the end of a Linked List
Add your answer
Q2. Find shortest distance between 2 points in a matrix, where 2 points can be anywhere
Add your answer

Easy Questions- Can be done with decent practice

Q1. Array question - basic knowledge sufficient
Add your answer
Q2. Maths questions + stack implementation
Add your answer

Coding test had 2 medium level coding questions

Q1. The first question was of sliding window plus DP
Add your answer
Q2. The second was of trees
Add your answer

2 coding questions of easy to medium difficulty

Q1. A derivative of rotten oranges.
Add your answer
Q2. An sliding window problem similar to Maximum number of fruits in two basket
Ans. 
Sliding window problem where you can only pick fruits from two different baskets
• Use a sliding window approach to keep track of the maximum number of fruits in two baskets

• Keep track of the types of fruits and their counts in the window

• Update the window by removing fruits from the beginning and adding fruits from the end

• Keep track of the maximum number of fruits seen so far
Answered by AI
Add your answer

It had very basic dsa problem I don't not remember the exact question. It was based on array manipulation.

Q1. Rotten oranges graph question
Add your answer
Q2. One standard dp question which could be solved in 4-5 line of code
Add your answer