Software Engineer

You are given an array consisting of N integers, and an integer, K. Your task is to determine the total sum of the minimum element and the maximum element of all subarrays of size K.

Note :

The array may contain duplicate elements.
The array can also contain negative integers.
The size of the array is at least 2.
There exists at least one such subarray of size k.

You are given two arrays of non-negative integers say ‘arr1’ and ‘arr2’. Your task is to find the maximum value of ( ‘A’ xor ‘B’ ) where ‘A’ and ‘B’ are any elements from ‘arr1’ and ‘arr2’ respectively and ‘xor’ represents the bitwise xor operation.

You have been given a circular path. There are 'N' petrol pumps on this path that are numbered from 0 to N - 1 (Both inclusive). Each petrol pump has two values associated with it:

1)The amount of petrol that is available at this particular petrol pump.
2)The distance to reach the next petrol pump.

You are on a truck having an empty tank of infinite capacity. You can start the tour from any of the petrol pumps. Your task is to calculate the first petrol pump from where the truck will be able to complete the full circle or determine if it is impossible to do so.

You may assume that the truck will stop at every petrol pump and it will add the petrol from that pump to its tank. The truck will move one kilometre for each litre of petrol consumed.

You are given an array/list ARR consisting of N integers. Your task is to find all the distinct triplets present in the array which adds up to a given number K.

An array is said to have a triplet {ARR[i], ARR[j], ARR[k]} with sum = 'K' if there exists three indices i, j and k such that i!=j, j!=k and i!=j and ARR[i] + ARR[j] + ARR[k] = 'K'.

Note:

1. You can return the list of values in any order. For example, if a valid triplet is {1, 2, -3}, then {2, -3, 1}, {-3, 2, 1} etc is also valid triplet. Also, the ordering of different triplets can be random i.e if there are more than one valid triplets, you can return them in any order.
2. The elements in the array need not be distinct.
3. If no such triplet is present in the array, then return an empty list, and the output printed for such a test case will be "-1".

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