question0010_regular_expression_matching question0011_container_with_most_water question0012_integer_to_roman question0013_roman_to_integer question0014_longest_common_prefix question0015_3sum question0016_3sum_closest question0017_letter_combinations_of_a_phone_number question0018_4sum question0019_remove_nth...
Question 4: Longest Continuous Increasing Subsequence(Leetcode-674) 题目描述 给定一个未经排序的整数数组,找到最长且连续的的递增序列。 示例1: 输入: [1,3,5,4,7] 输出: 3 解释: 最长连续递增序列是 [1,3,5], 长度为3。 尽管 [1,3,5,7] 也是升序的子序列, 但它不是连续的,因为5和7在原数组...
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LeetCode All in One 题目讲解汇总(持续更新中...)
202. 快乐数 - 编写一个算法来判断一个数 n 是不是快乐数。 「快乐数」 定义为: * 对于一个正整数,每一次将该数替换为它每个位置上的数字的平方和。 * 然后重复这个过程直到这个数变为 1,也可能是 无限循环 但始终变不到 1。 * 如果这个过程 结果为 1,那么这个数就
Question A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive element
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BA Interview Question Maximum Depth of Binary Tree Deion: Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. Input: root of a tree ...
LeetCode Question & Answer Rank Scores Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next consecutive integer value. In other words, there should be no "holes" be...
Happy Number (medium)Middle of the LinkedList (easy)4. Pattern: Merge Intervals，区间合并类型 区间...