[LintCode] Reverse Pairs 翻转对
For an array A, if i < j, and A [i] > A [j], called (A [i], A [j]) is a reverse pair.return total of reverse pairs in A. ExampleGiven ...
原文：[LeetCode] 493. Reverse Pairs 翻转对
Given an arraynums, we call i, j animportant reverse pairifi lt jandnums i gt nums j . You need to return the number of important reverse pairs in the given array. Example : Example : Note: The lengt ...
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