Company Name: Amazon

Job Role: SDE Intern (6-Month)

Years of Experience Required: Fresher (0 Yrs.)

Drive: Off-Campus (Referral)

CTC: Rs. 80K/Month

Preparation for Amazon

Preparation

Topics: Data Structures and Algorithms

Duration: 1.5 years

Source of Preparation: Codechef,  Leetcode, GFG, 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

• Find the longest Subarray with unique characters.
• Add two linked lists: Given the heads of two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order, and each of their nodes contains a single digit. Add the two numbers and return the sum as a linked list.

Round 2: Technical Interview

• Given an array of N distinct elements, find the minimum number of swaps required to sort the array.
• Two nodes of a Binary search tree are swapped, correct it.

Round 3: Technical Interview

• Count the number of subarrays with given xor K: Given an array of integers A and an integer, B. Find the total number of subarrays having bitwise XOR of all elements equal to B.
• 0-1 knapsack problem

Round 4:Technical + Managerial Interview

• What are normalization and denormalization?
• Difference between Intension and Extension in a DataBase
• Flatten Binary Tree to Linked List

Verdict: Selected