Given a sorted positive integer array nums and an integer n, add/patch elements to the array such that any number in range [1, n] inclusive can ...
An array is monotonic if it is either monotone increasing or monotone decreasing. An arrayAis monotone increasing if for alli lt j,A i lt A j . An arrayAis monotone decreasing if for alli lt j,A i gt ...
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Given a sorted positive integer array nums and an integer n, add/patch elements to the array such that any number in range [1, n] inclusive can ...
Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. ...
Shuffle a set of numbers without duplicates. Example: 这道题让我们给数组洗牌,也就是随机打乱顺序,那么由于之前那道题Linked List Random Node我们接触到了水塘抽样Reservoir Sampling的思想 ...
在金融风控领域当中,模型可解释性相当重要。我对nips的论文《Monotonic Networks》当中的单调神经网络进行了复现,在权重为正的情况下,我们就称该神经网络为单调神经网络,因为不管如何进行输入,我们输出都会呈现出单调性,也就是输入越大,输出越大。或者输入越大,输出越小。传统的单调 ...
Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Example 2: Note ...
Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum ...
For some fixed `N`, an array `A` is *beautiful* if it is a permutation of the integers `1, 2, ..., N`, such that: For every i < j, there is no k ...
Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. Your ...