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Nowadays, you don’t have to implement your sorting algorithms e.g. quicksort, selection sort, insertion sort etc by yourself. Most programming languages provide the functions/library to do the sorting efficiently, …
On a N * N grid, we place some 1 * 1 * 1 cubes. Each value v = grid represents a tower of v cubes placed on top …
We define a harmounious array as an array where the difference between its maximum value and its minimum value is exactly 1. Now, given an integer array, you need …
In some array arr, the values were in arithmetic progression: the values arr – arr are all equal for every 0 <= i < arr.length – 1. Then, a …
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between …