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. ...
Given an arraynumsofpositive integers. Your task is to select some subset ofnums, multiply each element by an integer and add all these numbers.The array is said to begoodif you can obtain a sum of f ...
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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 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 ...
原題鏈接在這里:https://leetcode.com/problems/check-if-a-number-is-majority-element-in-a-sorted-array/ 題目: Given an array nums sorted in non-decreasing ...
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 ...
A zero-indexed array A of length N contains all integers from 0 to N-1. Find and return the longest length of set S, where S[i] = {A[i], A[A[i ...
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 ...
Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Example 2: Note ...