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Given an integer, re-arrange the integer such that first and last digit will be at first and second, second and second last digit will be at third and fourth position from left of the re-arranges integer and so on. Example: Input -> 12345678, Output -> 18273645 Input -> 1234567, Output -> 1726354
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Software Engineer, Backend

Interviewed at Zalando

3.6★
Jan 9, 2019

Given an integer, re-arrange the integer such that first and last digit will be at first and second, second and second last digit will be at third and fourth position from left of the re-arranges integer and so on. Example: Input -> 12345678, Output -> 18273645 Input -> 1234567, Output -> 1726354

1. Given an array of n integers. Derive an array where the value of the element at index i is the product of elements in the given array except element i in the given array. The complexity should be O(n). 2. How to traverse timing graph starting from the input nodes? Data structure of the nodes in the graph is given. Write a C program for it. 3. Implement C++ hashing function.
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Software Engineer

Interviewed at Intel Corporation

3.9★
Dec 1, 2017

1. Given an array of n integers. Derive an array where the value of the element at index i is the product of elements in the given array except element i in the given array. The complexity should be O(n). 2. How to traverse timing graph starting from the input nodes? Data structure of the nodes in the graph is given. Write a C program for it. 3. Implement C++ hashing function.

Take a ladder with 5 steps, write a function that gives all the possible combinations of either 1,2, or 3 steps, in any order, to get to the 5th step, and returns the total number of combinations. So some of the possibilities would be [1,1,1,1,1], [1,1,1,2], [1,1,2,1], etc. Then he asked the same question with order not being considered, so [1,1,1,2] and [1,1,2,1] are the same solution.
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Software Engineer

Interviewed at Walmart

3.4★
Jul 16, 2013

Take a ladder with 5 steps, write a function that gives all the possible combinations of either 1,2, or 3 steps, in any order, to get to the 5th step, and returns the total number of combinations. So some of the possibilities would be [1,1,1,1,1], [1,1,1,2], [1,1,2,1], etc. Then he asked the same question with order not being considered, so [1,1,1,2] and [1,1,2,1] are the same solution.

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