前文我介绍了使用相关系数评判订单准确性,一个新的问题摆在面前:买手甲按照相关系数评分可以得100分,可是他的整体售罄率只有50%(即订的货到指定日期只卖了一半),而公司要求是70%。那么给他的订单准确性评分满分显然是不合...
Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the absolute d...
Given an array of integers, find out whether there are two distinct indices i and j in the array such that the absolute difference between nums[i] and nums[j] i...