1. Deserialize & Serialize Binary Tree 2. Find the bst with maximum sum inside a binary tree 3. Find the largest rectangle with all 1s in a binary matrix. 4. Find the kth largest number in the stream. 5. Find the number that occurs once when all the other numbers repeat 3 times.
Coding Assessment was LC easy/medium and then Final Round was LRU Cache.
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Given a mesh, make a list of all unique nodes
Describe a time at work or school when you worked on a group project and faced difficulties. How did you resolve those problems?
The question will be on alexa? why a non technical job?
Reverse a string, simple array questions. One linked list question in round 2.
Case Study Problem 1: Both Jennifer and Chris are Associates in the Amazon Fulfillment Center where you work as an Area Manager. Jennifer works for you in the pick department and Chris works for one of your peers, Bruce, in the pack department. Everyday Jennifer and Chris carpool to work and one day both of them show up 30 minutes late. Because they are late, the time clock automatically docks their pay for 30 minutes. You as Jennifer's Manager could override the deduction however, since she was in fact late, you do not. That Friday after pay checks are distributed Jennifer approaches you and is upset because she notices the 30 minute deduction however, she claims that the same deduction is not reflected in Chris's paycheck. Apparently Chris's Manager Bruce, did override the deduction. What is your response to Jennifer's claim? How do you account for the discrepancy in managerial procedure? What follow-up actions do you take?
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Q.2 Data Analysis: Weekly revenue dropped by 15% for Amazon, what are the data points you will consider or look for?
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