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Testing Engineer Interview Questions

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post order traversal of a Binary Search Tree Follow up Create a BST from this post order traversed array and write test cases for this function

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Implement a Queue using 2 Stacks

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reverse a linked-list

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Given an integer write a function that converts the input into a linkedList where each node corresponds to a number of the integer. Eg: 25697 == 2 -> 5 -> 6 -> 9 -> 7 Then write a function that takes 2 linkedList, add the corresponding integers and return a third list with the result.

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Coding question - given a binary tree, write code to count the sum off all siblings.

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Given a sorted array of integers, write a function to remove any duplicates. Give algorithm, then code and finally list how you would test your program.

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You are in a room by yourself and someone walks into the room, asks you to find the temperature, and leaves. How would you find the temperature in the room without leaving the room?

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Write a program takes in a string and a delimiter, and uses that delimiter to split a string and then will reverse the characters in every word (or jumble of characters between the delimiters), stuffing them back into a string when finished. ('The dog walks' becomes..... 'ehT god sklaw')

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classic fermi problem. estimate some value making some approximations.

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Given an array of integers and an arbitrary integer, find the number of pairs of integers in the array whose sum is equal to the arbitrary integer.

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