Given a positive integer `N`, how many ways can we write it as a sum of consecutive positive integers? Example 1: Example 2: Example ...
Write a SQL query to find all numbers that appear at least three times consecutively. For example, given the aboveLogstable, is the only number that appears consecutively for at least three times. 这道 ...
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Given a positive integer `N`, how many ways can we write it as a sum of consecutive positive integers? Example 1: Example 2: Example ...
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity. ...
Given a binary array, find the maximum number of consecutive 1s in this array if you can flip at most one 0. Example 1: Note: The input ...
Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Note: The input array will only contain ...
Given a 01 matrix M, find the longest line of consecutive one in the matrix. The line could be horizontal, vertical, diagonal or anti-diagonal. ...
问题 给出一个未排序的整数数组,找出最长的连续元素序列的长度。 如: 给出[100, 4, 200, 1, 3, 2], 最长的连续元素序列是[1, 2, 3, 4]。返回它的长度:4。 你的算法必须有O(n)的时间复杂度。 初始思路 要找连续的元素,第一反应一般是先把数组排序 ...
A self-dividing number is a number that is divisible by every digit it contains. For example, 12 ...
Given an integer n, return 1 - n in lexicographical order. For example, given 13, return: [1,10, ...