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Testing Engineer Interview Questions

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Given a 2D rectangular matrix of boolean values, write a function which returns whether or not the matrix is the same when rotated 180 degrees. Additionally verify that every boolean true is accessible from every other boolean true if a traversal can be made to an adjacent cell in the matrix, excluding diagonal cells. That is , (x , y ) can access the set [ ( x + 1 , y ) , ( x - 1 , y ) , (x , y - 1 ) , (x , y + 1 ) ] For example, the matrix { { true , false } , { false , true } } should not pass this test.

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In a BST write a program to find 2 nodes x and y such that X+y=k

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Write a function to find the node where two linked lists meet.

3 Answers

Write a function to turn a string into an integer and test it

3 Answers

Design a function which returns the number of set bits in a given number, when expressed in binary

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Write a function to find the maximum sum of sub array where the array can have negative and positive numbers.

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how to get the most significant bit from a byte?

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Check if tic-tac-toe has a winner

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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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