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Amazon Interview Experience | Set 315

  • Difficulty Level : Medium
  • Last Updated : 08 Jul, 2019

Interviewed for Mumbai location.

Round 1 (Written round – 45 min)
1. Count the number of occurrences in a sorted array
2. In given range, print all numbers having unique digits. e.g. In range 1 to 20 should print all numbers except 11.
3. Given a node, you can even find the next highest node in O(log(n)) time.
Round 2 :
1. Tell me about yourself
2. A ‘plus’ pattern of size 1 is defined as following :

1 1 1
  size 2 :
1  1 1

Find size of largest plus pattern in given 2D mattrix which has only 0s &1s.

Round 3:
1. check if a binary tree is BST or not Check for BST
2. Min Cost path : Min Cost Path
3. Check if two linked lists merge : Intersection of Two Linked Lists
4. Count ways to reach nth stair : Count ways to reach the nโ€™th stair

The guy opened geeksforgeeks link in front of me and was asking from there directly!

Round 4 (Skype Round):
1. Tell me about yourself.
2. Tell me most challanging project you did. 30 min detailed discussion about project. (So, choose answer to this wisely ๐Ÿ™‚
3. Find the smallest window in a string containing all characters of another string
4. How HashMap is implemented?
*This is most favourite question of Amazon*

Round 5 (Skype round):
1. Tell me about a situation when you had conflict with manager.
2. Tell me about situation you screwed up something.
3. What is the most technical challanging work you did?
4. Implement LRU cache

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My Personal Notes arrow_drop_up
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