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Coding Questions Asked in Amazon

    1 / 5

    Write a program to convert Binary tree to its Mirror Tree. OR convert Binary tree to Symmetric Tree (i.e Mirror Image of itself).

    Input : NA


    Output : NA

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    2 / 5

    Write a Program to print a binary tree in Zig Zag way. OR Print the Binary Tree in Zig Zag Level-Order. Input: .................(25) ......... (4)...........(10) .....(2)......(8)...(12)......(7) OutPut: 25,10, 4, 2, 8, 12, 7

    Input : NA


    Output : NA

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    3 / 5

    Write A program to find the sum of two numbers equel to 'n' or not in given vector.

    Input : NA


    Output : NA

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    4 / 5

    Car parking problem. An array given represents the actual order of cars need to be parked. Like for example order is 4,6,5,1,7,3,2,empty. If cars are parked in some order like empty,1,2,3,7,6,4,2. Some person needs to get them into the correct order, list out all instructions to the person to get in the correct order with least number of swaps.

    Input : NA


    Output : NA

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    5 / 5

    There are many cars parked in the parking lot. The parking is a straight very long line and a parking slot for every single meter. There are cars parked currently and you want to cover them from the rain by building a roof. The requirement is that at least k cars are covered by the roof. What's the minimum length of the roof that would cover k cars? The function has the following parameters: cars: integer array of length denoting the parking slots where cars are parked k: integer denoting the number of cars that have to be covered by the roof Example: Input: cars: [2, 10, 8, 17] k: 3 output: 9 Explanation: you can build a roof of length 9 covering all parking slots from the 2nd one to the 10th one, so covering 3 cars at slots 2, 10, 8, there are no shorter roof that can cover 3 cars, so the answer is 9 Note:Input : cars: [2, 10, 8, 17] k: 3


    Output : 9

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Q4I highly advised to practice all the basics and standard program asked at freshers or experienced level job interview in Amazon. Practice our hand-picked coding interview questions asked in Amazon. You can programed the given question in any language, you can post your answer and same time you can review the other answer. It is always recommanded to write your own program first and then refer others answers. At this page we have covers all the Amazon coding questions in 2020 and previously asked in their Interview round or coding rounds.