Package g0401_0500.s0493_reverse_pairs
Class Solution
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- g0401_0500.s0493_reverse_pairs.Solution
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public class Solution extends Object
493 - Reverse Pairs\. Hard Given an integer array `nums`, return _the number of **reverse pairs** in the array_. A reverse pair is a pair `(i, j)` where `0 <= i < j < nums.length` and `nums[i] > 2 * nums[j]`. **Example 1:** **Input:** nums = [1,3,2,3,1] **Output:** 2 **Example 2:** **Input:** nums = [2,4,3,5,1] **Output:** 3 **Constraints:** *1 <= nums.length <= 5 * 104*-231 <= nums[i] <= 231 - 1
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description intreversePairs(int[] nums)
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