摘要: Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j]. You need to return the number of important reverse pai 阅读全文
posted @ 2018-11-30 22:34 Veritas_des_Liberty 阅读(295) 评论(0) 推荐(0) 编辑