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 ...
Given a matrixM, find the longest line of consecutive one in the matrix. The line could be horizontal, vertical, diagonal or anti diagonal. Example: Hint:The number of elements in the given matrix wi ...
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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 ...
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity. ...
Given an integer matrix, find the length of the longest increasing path. From each cell, you can either move to four directions: left, right, up ...
Given a binary tree, find the length of the longest consecutive sequence path. The path refers to any sequence of nodes from some starting node ...
Given a binary tree, you need to find the length of Longest Consecutive Path in Binary Tree. Especially, this path can be either increasing ...
题目大意 给定一个整形数组,求出最长的连续序列。例如数组[100,4,200,1,3,2],最长的连续序列长度为[1,2,3,4],长度为4。要求时间复杂度为O(n)。 思路 "排序转换成经典的动态规划问题"的话排序至少需要时间复杂度为O(nlog(n))——pass ...
最近经常闲的无聊,于是就做做leetcode的题了,目测好像都不是很难. 不过呢,闲的无聊还是记录下某些做了的题. Given an unsorted array of integers, find the length of the longest consecutive ...
Let's call any (contiguous) subarray B (of A) a mountain if the following properties hold: B. ...