摘要:
Given a collection of intervals, merge all overlapping intervals.For example,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18].题目大意:给定一个组区间,实... 阅读全文
摘要:
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality c... 阅读全文
摘要:
Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index.According ... 阅读全文
摘要:
Given an array containingndistinct numbers taken from0, 1, 2, ..., n, find the one that is missing from the array.For example,Givennums=[0, 1, 3]retur... 阅读全文
摘要:
蓄水池算法要解决的问题就是在不知道流入数据量多少的情况下,依旧可以随机从这些数中选取K个,乍一听好神奇,其实分析一下背后的概率知识,思想还是很简单的,相信看完我的介绍和证明,你也会觉得很简单。假设要求随机选择K个元素,假设一共流入的元素有n个。 首先数组a[0...k-1]表示最后返回的结果,最开... 阅读全文