Solution: Reverse Pairs
Explore how to identify and count reverse pairs in an integer array using a divide-and-conquer strategy. Understand how sorting and two-pointer techniques help efficiently solve this problem by breaking it into smaller parts, counting pairs across halves, and merging sorted arrays.
We'll cover the following...
We'll cover the following...
Statement
You are given an integer array, nums. Your task is to count how many reverse pairs exist in the array and return the total number of such pairs. ...