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Amazon Interview | Set 121 (On-Campus for SDE-1)

  • Last Updated : 24 Jun, 2019

5-quant, 15 technical, (no verbal reasoning and English).

1) Given 2 binary trees check if it is symmetric (structure only not data).
2) Remove duplicates in a string in O(n) time (order of input must be preserved)

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1. Heaps-insertion.
2. Advantages of heaps over arrays.
3. Find 2nd min element from given array
4. Given an array and a sum s find all pairs of numbers which whoose sum=s
(assume array is already sorted)space complexity-O(1),time complexity-O(n)

1. Given a tree construct a mirror tree and return root of mirror tree.
2. Level order traversal of a tree.
3. Given a stack output a sorted stack.(hint use recursion).

1. Given a tree populate the sibiling of the tree node with the next node in same complexity-O(1).
2. What happens when you type in browser.

1. Linked list problem:Intersection Point in Y Shapped Linked Lists
2. A simple problem in linked list.

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