Company Name: Amazon

Job Role: SDE

Years of Experience Required: Fresher (0 Yrs.)

Drive: Off-Campus (Referral)

Preparation for Amazon

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

• Given a no in string format output another string which is the biggest no formed from using same digits , otherwise print -1:
• Top view of Binary Tree

Round 2: Technical Interview

• Find the middle element in a Linked List: Given the head of a singly linked list, return the middle node of the linked list. If there are two middle nodes, return the second middle node.
• Remove the N-th node from the end of a Linked List: Given a linked list, and a number N. Find the Nth node from the end of this linked list and delete it. Return the head of the new modified linked list.

Round 3: Technical Interview

• Check if two trees are identical
• Construct A Binary Tree from Inorder and Preorder Traversal

Round 4: Technical + Managerial

• Why amazon?
• Discussion about my projects mentioned in the resume
• Shortest Common Supersequence: We are given two strings ‘S1’ and ‘S2’. We need to return their shortest common supersequence. A supersequence is defined as the string which contains both the strings S1 and S2 as subsequences.