Given a sorted positive integer arraynumsand an integern, add patch elements to the array such that any number in range , n inclusive can be formed by the sum of some elements in the array. Return th ...
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猴子補丁是我在面試的時候接觸的一到題,學python的時候,我根本就沒有聽說這個概念!那接下來我們來分析一下: 1.什么是猴子補丁? 2.猴子補丁的功能? 3.猴子補丁的應用場景? 一.什么是猴子補丁? 1,這個詞原來為Guerrilla Patch,雜牌軍、游擊隊 ...
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: 這道題讓我們給數組洗牌,也就是隨機打亂順序,那么由於之前那道題Linked List Random Node我們接觸到了水塘抽樣Reservoir Sampling的思想 ...
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 ...
An array is *monotonic* if it is either monotone increasing or monotone decreasing. An array A is monotone increasing if for all i <= j, A[i ...