**Status:** Final Year B. Tech CSE (Tier 3)\n**Placement:** On-campus\n**Interview Date:** Oct 2021\n**Location:** India\n\n**ROUND 1 - Online Assessment**\n1. Section 1 - Debugging\n\t* C++, Java languages allowed\n\t* 7 problems\n\t* 20 minutes\n\t* Easy questions, no preparation needed  \n2. Section 2 - Coding\n\t* 2 Coding Problems\n\t* 70 minutes \n\t* First Question was easy, on binary search didn\'t remember\n\t* Second was also based on binary search, was medium difficulty question - [1648. Sell Diminishing-Valued Colored Balls](https://leetcode.com/problems/sell-diminishing-valued-colored-balls/)\n3. Section 3 - Behavioural \n\t* Around 40 - 50 question to know your personality\n\t* No time limit\n\t* No Preparation needed \n4. Secion 4 - Aptitude\n\t* 35 minutes\n\t* 24 question\n\t* Difficulty - Easy\n\nI was able to solve all the questions, and shortlisted for interviews.\n\n**ROUND 2 - Techical Interview**\n**Platform:** Amazon Chime\n**Duration:** 1 hour\n\nStarted with Introduction and short discussion on projects\nThen 2 DSA questions were asked\n\n[31. Next Permutation](https://leetcode.com/problems/next-permutation)\nMy Solution: O(n) time & O(1) space\n\n[545. Boundary of Binary Tree](https://leetcode.com/problems/boundary-of-binary-tree/)\nMy Solution: O(n) time & O(n) space\n\nShortlisted for next Interview\n\n**ROUND 3 - Technical Interview**\n\n2 DSA questions\n[380. Insert Delete GetRandom O(1)](https://leetcode.com/problems/insert-delete-getrandom-o1/)\nMy Solution: O(1) time for all operations, used O(n) space\n\n[6. ZigZag Conversion](https://leetcode.com/problems/zigzag-conversion/)\nMy Solution: O(n) time & O(n) space\n\n**Verdict:** Offer\n\n**My Advice:**\nMost of the questions are directly fom leetcode, so solve top interview questions and if you have premium, solve Amazon tagged questions\n\n

Status: Final Year B. Tech CSE (Tier 3)\nPlacement: On-campus\nInterview Date: Oct 2021\nLocation: India\n\nROUND 1 - Online Assessment\n1. Section 1 - Debuggin