HackerRank Divide and Conquer Quiz-1

In the divide and conquer approach, the problem in hand is divided into smaller sub-problems, and then each problem is solved independently.

The divide-and-conquer approach in a three-step process that is break, solve, and combine.

The above mentioned and closest pair of points, Strassen’s algorithm is a good example of a divide and conquer approach.

The quick sort algorithm picks a pivot element, rearranges the array elements in such a way that all elements smaller than the picked pivot element move to the left side of the pivot, and all greater elements move to the right side. Finally, the algorithm recursively sorts the subarrays on the left and right of the pivot element.

These are the time complexity of QuickSort.

The sub-problem by calling recursively until sub-problem solved is known as Conquer.

The Sub problem Solved so that we will get find a problem solution is called a combine.

This involves dividing the problem into some sub-problem is termed as divide.

This involves dividing the problem into some sub-problem that is termed as Merge sort.

Randomized Quicksort selects a random element as a pivot. This is done to avoid the worst case of a quick sort in which the array of inputs is already sorted.