[LeetCode] 128. Longest Consecutive Sequence题目Given an unsorted array of integers, find the length of the longest consecutive elements sequence.Your algorithm should run in O(n) complexity. 样例Input: [100, 4, 200, 1, 3, 2] Output: 4 Explanation: The longest consecutive elements sequence ...
【LeetCode】128. Longest Consecutive Sequence Longest Consecutive Sequence Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given[100, 4, 200, 1, 3, 2], The longest consecutive elements sequence is[1, 2, 3, 4]. Return its leng...
【leetcode 128】Longest Consecutive Sequence Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, 3, 2], The longest consecutive elements sequence is [1, 2, 3, 4]...Leet...
数组系列 力扣数据结构之数组-00-概览 力扣.53 最大子数组和 maximum-subarray 力扣.128 最长连续序列 longest-consecutive-sequence 力扣.1 两数之和 N 种解法 two-sum 力扣.167 两数之和 II two-sum-ii 力扣.170 两数之和 III two-sum-iii 力扣.653 两数之和 IV two-sum-IV 力扣.015 三数之和 th...
128. Longest Consecutive Sequence # 题目 # Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity. Example: Input: [100, 4, 200, 1, 3, 2] Output: 4 Explanation: Th
LeetCode128. Longest Consecutive Sequence 记不得曾经 Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence. You must write an algorithm that runs in O(n) time. Example 1: [1, 2, 3, 4] Example 2: Input: nums = [0,3,7,2,5,8,4...
LeetCode: 128. Longest Consecutive Sequence 题目描述 Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, 3, 2], The longest consecutive elements sequence is [1, 2, 3, 4...
力扣.128 最长连续序列 longest-consecutive-sequence 力扣.1 两数之和 N 种解法 two-sum 力扣.167 两数之和 II two-sum-ii 力扣.170 两数之和 III two-sum-iii 力扣.653 两数之和 IV two-sum-IV 力扣.015 三数之和 three-sum 题目 给定一个未排序的整数数组 nums ,找出数字连续的最长序列(不要求...
来源：力扣（LeetCode） 链接：https://leetcode-cn.com/problems/longest-consecutive-sequence/ 著作权归领扣网络所有。商业转载请联系官方授权，非商业转载请注明出处。解法一：哈希表因为哈希查找比较快，所以用哈希表来辅助计算，具体处理过程如下：首先，用HashSet将原数组中的数字去重得到numsSet；然后，遍历...
Can you solve this real interview question? Longest Consecutive Sequence - Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence. You must write an algorithm that runs in O(n) time. Example 1: Inp