Company Name: Amazon

Job Role: SDE

Years of Experience Required: Fresher (0 Yrs.)

Drive: Off-Campus

Preparation for Amazon

Preparation

Topics: Data Structures and Algorithms

Duration: 3-5 months

Source of Preparation: Codechef,  Leetcode, Striver’s SDE sheet.

[BONUS]:

• Check Striver’s SDE Sheet for Interview Preparation.
• Check the ultimate resume-building guide for coding interviews.
• Blind 75 Leetcode

Amazon Interview Rounds

Interview Rounds

Round 1: Online Coding Test: Don’t remember the questions, 2 questions were asked.

Round 2:

• Count Inversion: Given an array of N integers, count the inversion of the array (using merge-sort). What is an inversion of an array? Definition: for all i & j < size of array, if i < j then you have to find pair (A[i],A[j]) such that A[j] < A[i].
• Check if the given Linked List is Palindrome

Round 3: Technical Interview

• Combination sum II: Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate numbers sum to the target. Each number in candidates may only be used once in the combination.
• Write a function to convert a given number into words

Round 4: Technical + Managerial

• Difference between IPv4 and IPv6
• What are HTTP and HTTPS protocol
• Lowest Common Ancestor for two given Nodes

Verdict: Selected